1373925072 has 80 divisors (see below), whose sum is σ = 3861905600. Its totient is φ = 418369536.

The previous prime is 1373925029. The next prime is 1373925089. The reversal of 1373925072 is 2705293731.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1373925072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49179 + ... + 71877.

It is an arithmetic number, because the mean of its divisors is an integer number (48273820).

Almost surely, 2^1373925072 is an apocalyptic number.

1373925072 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 1373925072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930952800).

1373925072 is an abundant number, since it is smaller than the sum of its proper divisors (2487980528).

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

1373925072 is a wasteful number, since it uses less digits than its factorization.

1373925072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22820 (or 22814 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1373925072 is about 37066.4952753831. The cubic root of 1373925072 is about 1111.7001978047.

The spelling of 1373925072 in words is "one billion, three hundred seventy-three million, nine hundred twenty-five thousand, seventy-two".