75656651 has 16 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 60002208.

The previous prime is 75656627. The next prime is 75656663. The reversal of 75656651 is 15665657.

It is a de Polignac number, because none of the positive numbers 2^k-75656651 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 75656599 and 75656608.

It is not an unprimeable number, because it can be changed into a prime (75656611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896 + ... + 12333.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2^75656651 is an apocalyptic number.

75656651 is a deficient number, since it is larger than the sum of its proper divisors (17482549).

75656651 is a wasteful number, since it uses less digits than its factorization.

75656651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298.

The product of its digits is 189000, while the sum is 41.

The square root of 75656651 is about 8698.0831796437. The cubic root of 75656651 is about 422.9435156803.

The spelling of 75656651 in words is "seventy-five million, six hundred fifty-six thousand, six hundred fifty-one".