1372163772 has 96 divisors (see below), whose sum is σ = 3927716352. Its totient is φ = 363902976.

The previous prime is 1372163743. The next prime is 1372163773. The reversal of 1372163772 is 2773612731.

1372163772 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1372163772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372163773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97663 + ... + 110825.

It is an arithmetic number, because the mean of its divisors is an integer number (40913712).

Almost surely, 2^1372163772 is an apocalyptic number.

1372163772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372163772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963858176).

1372163772 is an abundant number, since it is smaller than the sum of its proper divisors (2555552580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1372163772 is a wasteful number, since it uses less digits than its factorization.

1372163772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13267 (or 13265 counting only the distinct ones).

The product of its digits is 74088, while the sum is 39.

The square root of 1372163772 is about 37042.7290031391. The cubic root of 1372163772 is about 1111.2249475175.

The spelling of 1372163772 in words is "one billion, three hundred seventy-two million, one hundred sixty-three thousand, seven hundred seventy-two".