73542536 has 16 divisors (see below), whose sum is σ = 139782300. Its totient is φ = 36267264.

The previous prime is 73542533. The next prime is 73542551. The reversal of 73542536 is 63524537.

It can be written as a sum of positive squares in 2 ways, for example, as 67141636 + 6400900 = 8194^2 + 2530^2 .

It is a super-2 number, since 2×73542536² = 10817009202622592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73542496 and 73542505.

It is not an unprimeable number, because it can be changed into a prime (73542533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62381 + ... + 63548.

Almost surely, 2^73542536 is an apocalyptic number.

It is an amenable number.

73542536 is a deficient number, since it is larger than the sum of its proper divisors (66239764).

73542536 is a wasteful number, since it uses less digits than its factorization.

73542536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126008 (or 126004 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 73542536 is about 8575.6944908270. The cubic root of 73542536 is about 418.9667268706.

The spelling of 73542536 in words is "seventy-three million, five hundred forty-two thousand, five hundred thirty-six".