372392640 has 168 divisors, whose sum is σ = 1328592720. Its totient is φ = 99283968.

The previous prime is 372392623. The next prime is 372392653. The reversal of 372392640 is 46293273.

It is a happy number.

372392640 is a `hidden beast` number, since 3 + 7 + 2 + 3 + 9 + 2 + 640 = 666.

372392640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 372392595 and 372392604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75366 + ... + 80154.

It is an arithmetic number, because the mean of its divisors is an integer number (7908290).

Almost surely, 2^372392640 is an apocalyptic number.

372392640 is a gapful number since it is divisible by the number (30) 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 372392640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664296360).

372392640 is an abundant number, since it is smaller than the sum of its proper divisors (956200080).

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

372392640 is an equidigital number, since it uses as much as digits as its factorization.

372392640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821 (or 4799 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 372392640 is about 19297.4775553698. The cubic root of 372392640 is about 719.4495793254.

The spelling of 372392640 in words is "three hundred seventy-two million, three hundred ninety-two thousand, six hundred forty".