372490645 has 8 divisors (see below), whose sum is σ = 462402360. Its totient is φ = 287716800.

The previous prime is 372490631. The next prime is 372490663. The reversal of 372490645 is 546094273.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 139287204 + 233203441 = 11802^2 + 15271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 372490645 - 2²¹ = 370393493 is a prime.

It is a super-2 number, since 2×372490645² = 277498561225032050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 372490598 and 372490607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284306 + ... + 1284595.

It is an arithmetic number, because the mean of its divisors is an integer number (57800295).

Almost surely, 2^372490645 is an apocalyptic number.

It is an amenable number.

372490645 is a deficient number, since it is larger than the sum of its proper divisors (89911715).

372490645 is a wasteful number, since it uses less digits than its factorization.

372490645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568935.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 372490645 is about 19300.0167098373. The cubic root of 372490645 is about 719.5126878690.

The spelling of 372490645 in words is "three hundred seventy-two million, four hundred ninety thousand, six hundred forty-five".