72534850 has 12 divisors (see below), whose sum is σ = 134914914. Its totient is φ = 29013920.

The previous prime is 72534821. The next prime is 72534859. The reversal of 72534850 is 5843527.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 65076489 + 7458361 = 8067^2 + 2731^2 .

It is a super-2 number, since 2×72534850² = 10522608929045000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72534859) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 725299 + ... + 725398.

Almost surely, 2^72534850 is an apocalyptic number.

72534850 is a deficient number, since it is larger than the sum of its proper divisors (62380064).

72534850 is a wasteful number, since it uses less digits than its factorization.

72534850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450709 (or 1450704 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 72534850 is about 8516.7393995590. The cubic root of 72534850 is about 417.0443473319.

The spelling of 72534850 in words is "seventy-two million, five hundred thirty-four thousand, eight hundred fifty".