1373612772 has 24 divisors (see below), whose sum is σ = 3662967616. Its totient is φ = 392460768.

The previous prime is 1373612719. The next prime is 1373612777. The reversal of 1373612772 is 2772163731.

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 1373612772.

It is not an unprimeable number, because it can be changed into a prime (1373612777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8176183 + ... + 8176350.

Almost surely, 2^1373612772 is an apocalyptic number.

1373612772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1373612772 is an abundant number, since it is smaller than the sum of its proper divisors (2289354844).

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

1373612772 is a wasteful number, since it uses less digits than its factorization.

1373612772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16352547 (or 16352545 counting only the distinct ones).

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

The square root of 1373612772 is about 37062.2823366290. The cubic root of 1373612772 is about 1111.6159597611.

The spelling of 1373612772 in words is "one billion, three hundred seventy-three million, six hundred twelve thousand, seven hundred seventy-two".