72374490 has 24 divisors (see below), whose sum is σ = 188173908. Its totient is φ = 19299840.

The previous prime is 72374473. The next prime is 72374503. The reversal of 72374490 is 9447327.

It can be written as a sum of positive squares in 2 ways, for example, as 67617729 + 4756761 = 8223^2 + 2181^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401991 + ... + 402170.

Almost surely, 2^72374490 is an apocalyptic number.

72374490 is an abundant number, since it is smaller than the sum of its proper divisors (115799418).

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

72374490 is a wasteful number, since it uses less digits than its factorization.

72374490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804174 (or 804171 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 72374490 is about 8507.3197894519. The cubic root of 72374490 is about 416.7367867767.

The spelling of 72374490 in words is "seventy-two million, three hundred seventy-four thousand, four hundred ninety".