75920766 has 16 divisors (see below), whose sum is σ = 155545488. Its totient is φ = 24689600.

The previous prime is 75920743. The next prime is 75920777. The reversal of 75920766 is 66702957.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154065 + ... + 154556.

It is an arithmetic number, because the mean of its divisors is an integer number (9721593).

Almost surely, 2^75920766 is an apocalyptic number.

75920766 is an abundant number, since it is smaller than the sum of its proper divisors (79624722).

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

75920766 is a wasteful number, since it uses less digits than its factorization.

75920766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308667.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 75920766 is about 8713.2523204599. The cubic root of 75920766 is about 423.4351049396.

The spelling of 75920766 in words is "seventy-five million, nine hundred twenty thousand, seven hundred sixty-six".