75054428 has 12 divisors (see below), whose sum is σ = 137056080. Its totient is φ = 35895552.

The previous prime is 75054409. The next prime is 75054433. The reversal of 75054428 is 82445057.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407813 + ... + 407996.

It is an arithmetic number, because the mean of its divisors is an integer number (11421340).

Almost surely, 2^75054428 is an apocalyptic number.

It is an amenable number.

75054428 is a deficient number, since it is larger than the sum of its proper divisors (62001652).

75054428 is a wasteful number, since it uses less digits than its factorization.

75054428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815836 (or 815834 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 75054428 is about 8663.3958699808. The cubic root of 75054428 is about 421.8183221014.

The spelling of 75054428 in words is "seventy-five million, fifty-four thousand, four hundred twenty-eight".