76842957 has 8 divisors (see below), whose sum is σ = 104194080. Its totient is φ = 50360240.

The previous prime is 76842949. The next prime is 76842989. The reversal of 76842957 is 75924867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76842957 - 2³ = 76842949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76842947) 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 7 ways as a sum of consecutive naturals, for example, 216894 + ... + 217247.

It is an arithmetic number, because the mean of its divisors is an integer number (13024260).

Almost surely, 2^76842957 is an apocalyptic number.

It is an amenable number.

76842957 is a deficient number, since it is larger than the sum of its proper divisors (27351123).

76842957 is a wasteful number, since it uses less digits than its factorization.

76842957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434203.

The product of its digits is 846720, while the sum is 48.

The square root of 76842957 is about 8766.0114647427. The cubic root of 76842957 is about 425.1426639852.

The spelling of 76842957 in words is "seventy-six million, eight hundred forty-two thousand, nine hundred fifty-seven".