75656130 has 32 divisors (see below), whose sum is σ = 198082368. Its totient is φ = 18340800.

The previous prime is 75656123. The next prime is 75656143. The reversal of 75656130 is 3165657.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75656091 and 75656100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114301 + ... + 114960.

It is an arithmetic number, because the mean of its divisors is an integer number (6190074).

Almost surely, 2^75656130 is an apocalyptic number.

75656130 is an abundant number, since it is smaller than the sum of its proper divisors (122426238).

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

75656130 is a wasteful number, since it uses less digits than its factorization.

75656130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229282.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 75656130 is about 8698.0532304648. The cubic root of 75656130 is about 422.9425448290.

It can be divided in two parts, 7565 and 6130, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 75656130 in words is "seventy-five million, six hundred fifty-six thousand, one hundred thirty".