72592074 has 48 divisors (see below), whose sum is σ = 169308360. Its totient is φ = 22394880.

The previous prime is 72592063. The next prime is 72592081. The reversal of 72592074 is 47029527.

It can be written as a sum of positive squares in 4 ways, for example, as 59954049 + 12638025 = 7743^2 + 3555^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16722 + ... + 20610.

Almost surely, 2^72592074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72592074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84654180).

72592074 is an abundant number, since it is smaller than the sum of its proper divisors (96716286).

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

72592074 is a wasteful number, since it uses less digits than its factorization.

72592074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3972 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 72592074 is about 8520.0982388703. The cubic root of 72592074 is about 417.1539896747.

The spelling of 72592074 in words is "seventy-two million, five hundred ninety-two thousand, seventy-four".