157764372 has 24 divisors (see below), whose sum is σ = 387492000. Its totient is φ = 49820256.

The previous prime is 157764371. The next prime is 157764401. The reversal of 157764372 is 273467751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157764371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345747 + ... + 346202.

It is an arithmetic number, because the mean of its divisors is an integer number (16145500).

Almost surely, 2^157764372 is an apocalyptic number.

157764372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157764372 is an abundant number, since it is smaller than the sum of its proper divisors (229727628).

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

157764372 is a wasteful number, since it uses less digits than its factorization.

157764372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691975 (or 691973 counting only the distinct ones).

The product of its digits is 246960, while the sum is 42.

The square root of 157764372 is about 12560.4288143359. The cubic root of 157764372 is about 540.3431426722.

The spelling of 157764372 in words is "one hundred fifty-seven million, seven hundred sixty-four thousand, three hundred seventy-two".