75018272 has 48 divisors (see below), whose sum is σ = 176141952. Its totient is φ = 30750720.

The previous prime is 75018253. The next prime is 75018283. The reversal of 75018272 is 27281057.

It is a super-2 number, since 2×75018272² = 11255482267731968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 12432.

It is an arithmetic number, because the mean of its divisors is an integer number (3669624).

Almost surely, 2^75018272 is an apocalyptic number.

It is an amenable number.

75018272 is an abundant number, since it is smaller than the sum of its proper divisors (101123680).

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

75018272 is a wasteful number, since it uses less digits than its factorization.

75018272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14601 (or 14593 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 75018272 is about 8661.3089080115. The cubic root of 75018272 is about 421.7505769849.

The spelling of 75018272 in words is "seventy-five million, eighteen thousand, two hundred seventy-two".