75049164 has 36 divisors (see below), whose sum is σ = 199694040. Its totient is φ = 23699520.

The previous prime is 75049159. The next prime is 75049189. The reversal of 75049164 is 46194057.

75049164 is a `hidden beast` number, since 7 + 504 + 91 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54177 + ... + 55544.

Almost surely, 2^75049164 is an apocalyptic number.

It is an amenable number.

75049164 is an abundant number, since it is smaller than the sum of its proper divisors (124644876).

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

75049164 is a wasteful number, since it uses less digits than its factorization.

75049164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109750 (or 109745 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 75049164 is about 8663.0920576893. The cubic root of 75049164 is about 421.8084603534.

The spelling of 75049164 in words is "seventy-five million, forty-nine thousand, one hundred sixty-four".