372481218 has 18 divisors (see below), whose sum is σ = 807220089. Its totient is φ = 124133112.

The previous prime is 372481211. The next prime is 372481223. The reversal of 372481218 is 812184273.

It can be written as a sum of positive squares in 2 ways, for example, as 350550729 + 21930489 = 18723^2 + 4683^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=13647.

It is not an unprimeable number, because it can be changed into a prime (372481211) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 79608 + ... + 84156.

Almost surely, 2^372481218 is an apocalyptic number.

372481218 is an abundant number, since it is smaller than the sum of its proper divisors (434738871).

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

372481218 is an frugal number, since it uses more digits than its factorization.

372481218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 4554 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 372481218 is about 19299.7724857056. The cubic root of 372481218 is about 719.5066180044.

The spelling of 372481218 in words is "three hundred seventy-two million, four hundred eighty-one thousand, two hundred eighteen".