75963963 has 16 divisors (see below), whose sum is σ = 109336320. Its totient is φ = 46769184.

The previous prime is 75963931. The next prime is 75963967. The reversal of 75963963 is 36936957.

It is a happy number.

It is not a de Polignac number, because 75963963 - 2⁵ = 75963931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75963967) 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, 16981 + ... + 20982.

It is an arithmetic number, because the mean of its divisors is an integer number (6833520).

Almost surely, 2^75963963 is an apocalyptic number.

75963963 is a deficient number, since it is larger than the sum of its proper divisors (33372357).

75963963 is a wasteful number, since it uses less digits than its factorization.

75963963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38018.

The product of its digits is 918540, while the sum is 48.

The square root of 75963963 is about 8715.7307783111. The cubic root of 75963963 is about 423.5153976765.

The spelling of 75963963 in words is "seventy-five million, nine hundred sixty-three thousand, nine hundred sixty-three".