72442935090 has 64 divisors (see below), whose sum is σ = 201580358400. Its totient is φ = 18478196352.

The previous prime is 72442935041. The next prime is 72442935157. The reversal of 72442935090 is 9053924427.

72442935090 is a `hidden beast` number, since 72 + 442 + 9 + 3 + 50 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5826555 + ... + 5838974.

It is an arithmetic number, because the mean of its divisors is an integer number (3149693100).

Almost surely, 2^72442935090 is an apocalyptic number.

72442935090 is an abundant number, since it is smaller than the sum of its proper divisors (129137423310).

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

72442935090 is a wasteful number, since it uses less digits than its factorization.

72442935090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665568 (or 11665562 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 72442935090 in words is "seventy-two billion, four hundred forty-two million, nine hundred thirty-five thousand, ninety".