75164739 has 16 divisors (see below), whose sum is σ = 111412224. Its totient is φ = 44762400.

The previous prime is 75164737. The next prime is 75164753. The reversal of 75164739 is 93746157.

It is not a de Polignac number, because 75164739 - 2¹ = 75164737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75164739.

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, 29877 + ... + 32294.

It is an arithmetic number, because the mean of its divisors is an integer number (6963264).

Almost surely, 2^75164739 is an apocalyptic number.

75164739 is a deficient number, since it is larger than the sum of its proper divisors (36247485).

75164739 is a wasteful number, since it uses less digits than its factorization.

75164739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62218.

The product of its digits is 158760, while the sum is 42.

The square root of 75164739 is about 8669.7600312811. The cubic root of 75164739 is about 422.0248763066.

The spelling of 75164739 in words is "seventy-five million, one hundred sixty-four thousand, seven hundred thirty-nine".