75042772 has 24 divisors (see below), whose sum is σ = 151088000. Its totient is φ = 31946400.

The previous prime is 75042769. The next prime is 75042787. The reversal of 75042772 is 27724057.

It is a congruent number.

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, 4647 + ... + 13102.

Almost surely, 2^75042772 is an apocalyptic number.

It is an amenable number.

75042772 is an abundant number, since it is smaller than the sum of its proper divisors (76045228).

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

75042772 is a wasteful number, since it uses less digits than its factorization.

75042772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17911 (or 17909 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 75042772 is about 8662.7231284395. The cubic root of 75042772 is about 421.7964847538.

The spelling of 75042772 in words is "seventy-five million, forty-two thousand, seven hundred seventy-two".