72052474 has 12 divisors (see below), whose sum is σ = 117032526. Its totient is φ = 33254832.

The previous prime is 72052469. The next prime is 72052483. The reversal of 72052474 is 47425027.

It can be written as a sum of positive squares in 3 ways, for example, as 29084449 + 42968025 = 5393^2 + 6555^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106249 + ... + 106924.

Almost surely, 2^72052474 is an apocalyptic number.

72052474 is a deficient number, since it is larger than the sum of its proper divisors (44980052).

72052474 is a wasteful number, since it uses less digits than its factorization.

72052474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213201 (or 213188 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 72052474 is about 8488.3728711691. The cubic root of 72052474 is about 416.1178051778.

The spelling of 72052474 in words is "seventy-two million, fifty-two thousand, four hundred seventy-four".