372518820 has 36 divisors (see below), whose sum is σ = 1129974300. Its totient is φ = 99338304.

The previous prime is 372518819. The next prime is 372518827. The reversal of 372518820 is 28815273.

It can be written as a sum of positive squares in 2 ways, for example, as 263023524 + 109495296 = 16218^2 + 10464^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (372518827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034595 + ... + 1034954.

It is an arithmetic number, because the mean of its divisors is an integer number (31388175).

Almost surely, 2^372518820 is an apocalyptic number.

372518820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

372518820 is an abundant number, since it is smaller than the sum of its proper divisors (757455480).

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

372518820 is a wasteful number, since it uses less digits than its factorization.

372518820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069564 (or 2069559 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 372518820 is about 19300.7466176830. The cubic root of 372518820 is about 719.5308286009.

The spelling of 372518820 in words is "three hundred seventy-two million, five hundred eighteen thousand, eight hundred twenty".