75164733 has 16 divisors (see below), whose sum is σ = 127263360. Its totient is φ = 42951168.

The previous prime is 75164729. The next prime is 75164737. The reversal of 75164733 is 33746157.

75164733 is a `hidden beast` number, since 7 + 5 + 1 + 647 + 3 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (75164729) and next prime (75164737).

It is not a de Polignac number, because 75164733 - 2² = 75164729 is a prime.

It is a super-2 number, since 2×75164733² = 11299474173922578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75164737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198660 + ... + 199037.

It is an arithmetic number, because the mean of its divisors is an integer number (7953960).

Almost surely, 2^75164733 is an apocalyptic number.

It is an amenable number.

75164733 is a deficient number, since it is larger than the sum of its proper divisors (52098627).

75164733 is a wasteful number, since it uses less digits than its factorization.

75164733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397713 (or 397707 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 75164733 is about 8669.7596852508. The cubic root of 75164733 is about 422.0248650773.

The spelling of 75164733 in words is "seventy-five million, one hundred sixty-four thousand, seven hundred thirty-three".