237972816 has 120 divisors (see below), whose sum is σ = 698885824. Its totient is φ = 78382080.

The previous prime is 237972769. The next prime is 237972841. The reversal of 237972816 is 618279732.

237972816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×237972816² = 113262122309939712, which contains 22 as substring.

It is a congruent number.

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, 376821 + ... + 377451.

Almost surely, 2^237972816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 237972816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349442912).

237972816 is an abundant number, since it is smaller than the sum of its proper divisors (460913008).

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

237972816 is an equidigital number, since it uses as much as digits as its factorization.

237972816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 733 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 237972816 is about 15426.3675568813. The cubic root of 237972816 is about 619.6918482556.

The spelling of 237972816 in words is "two hundred thirty-seven million, nine hundred seventy-two thousand, eight hundred sixteen".