75678963 has 4 divisors (see below), whose sum is σ = 100905288. Its totient is φ = 50452640.

The previous prime is 75678931. The next prime is 75678991. The reversal of 75678963 is 36987657.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75678963 - 2⁵ = 75678931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75678913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12613158 + ... + 12613163.

It is an arithmetic number, because the mean of its divisors is an integer number (25226322).

Almost surely, 2^75678963 is an apocalyptic number.

75678963 is a deficient number, since it is larger than the sum of its proper divisors (25226325).

75678963 is a wasteful number, since it uses less digits than its factorization.

75678963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25226324.

The product of its digits is 1905120, while the sum is 51.

The square root of 75678963 is about 8699.3656665299. The cubic root of 75678963 is about 422.9850885320.

The spelling of 75678963 in words is "seventy-five million, six hundred seventy-eight thousand, nine hundred sixty-three".