72528702 has 32 divisors (see below), whose sum is σ = 149288832. Its totient is φ = 23477664.

The previous prime is 72528697. The next prime is 72528721. The reversal of 72528702 is 20782527.

It is a super-2 number, since 2×72528702² = 10520825227609608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50113 + ... + 51539.

It is an arithmetic number, because the mean of its divisors is an integer number (4665276).

Almost surely, 2^72528702 is an apocalyptic number.

72528702 is an abundant number, since it is smaller than the sum of its proper divisors (76760130).

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

72528702 is a wasteful number, since it uses less digits than its factorization.

72528702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 72528702 is about 8516.3784556583. The cubic root of 72528702 is about 417.0325642093.

The spelling of 72528702 in words is "seventy-two million, five hundred twenty-eight thousand, seven hundred two".