75641064 has 32 divisors (see below), whose sum is σ = 193717440. Its totient is φ = 24598400.

The previous prime is 75641063. The next prime is 75641081. The reversal of 75641064 is 46014657.

It is not an unprimeable number, because it can be changed into a prime (75641063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37452 + ... + 39419.

It is an arithmetic number, because the mean of its divisors is an integer number (6053670).

Almost surely, 2^75641064 is an apocalyptic number.

It is an amenable number.

75641064 is an abundant number, since it is smaller than the sum of its proper divisors (118076376).

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

75641064 is a wasteful number, since it uses less digits than its factorization.

75641064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76921 (or 76917 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 75641064 is about 8697.1871314811. The cubic root of 75641064 is about 422.9144683404.

The spelling of 75641064 in words is "seventy-five million, six hundred forty-one thousand, sixty-four".