75072036 has 24 divisors (see below), whose sum is σ = 188642944. Its totient is φ = 23099040.

The previous prime is 75072031. The next prime is 75072047. The reversal of 75072036 is 63027057.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 75071994 and 75072012.

It is not an unprimeable number, because it can be changed into a prime (75072031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240460 + ... + 240771.

Almost surely, 2^75072036 is an apocalyptic number.

It is an amenable number.

75072036 is an abundant number, since it is smaller than the sum of its proper divisors (113570908).

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

75072036 is a wasteful number, since it uses less digits than its factorization.

75072036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481251 (or 481249 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 75072036 is about 8664.4120400637. The cubic root of 75072036 is about 421.8513061480.

The spelling of 75072036 in words is "seventy-five million, seventy-two thousand, thirty-six".