75147964 has 12 divisors (see below), whose sum is σ = 138430600. Its totient is φ = 35596368.

The previous prime is 75147949. The next prime is 75147977. The reversal of 75147964 is 46974157.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 75147964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494319 + ... + 494470.

Almost surely, 2^75147964 is an apocalyptic number.

It is an amenable number.

75147964 is a deficient number, since it is larger than the sum of its proper divisors (63282636).

75147964 is a wasteful number, since it uses less digits than its factorization.

75147964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988812 (or 988810 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 75147964 is about 8668.7925341422. The cubic root of 75147964 is about 421.9934786321.

The spelling of 75147964 in words is "seventy-five million, one hundred forty-seven thousand, nine hundred sixty-four".