75164305 has 16 divisors (see below), whose sum is σ = 93542400. Its totient is φ = 57919680.

The previous prime is 75164303. The next prime is 75164311. The reversal of 75164305 is 50346157.

It is not a de Polignac number, because 75164305 - 2¹ = 75164303 is a prime.

It is a super-2 number, since 2×75164305² = 11299345492266050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (75164303) 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, 36031 + ... + 38059.

It is an arithmetic number, because the mean of its divisors is an integer number (5846400).

Almost surely, 2^75164305 is an apocalyptic number.

It is an amenable number.

75164305 is a deficient number, since it is larger than the sum of its proper divisors (18378095).

75164305 is a wasteful number, since it uses less digits than its factorization.

75164305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 75164305 is about 8669.7350017172. The cubic root of 75164305 is about 422.0240640501.

It can be divided in two parts, 751 and 64305, that added together give a palindrome (65056).

The spelling of 75164305 in words is "seventy-five million, one hundred sixty-four thousand, three hundred five".