7942957 has 8 divisors (see below), whose sum is σ = 8705952. Its totient is φ = 7186800.

The previous prime is 7942919. The next prime is 7942967. The reversal of 7942957 is 7592497.

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 7942957 - 2⁷ = 7942829 is a prime.

It is a Duffinian number.

7942957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7942967) 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, 907 + ... + 4087.

It is an arithmetic number, because the mean of its divisors is an integer number (1088244).

Almost surely, 2^7942957 is an apocalyptic number.

It is an amenable number.

7942957 is a deficient number, since it is larger than the sum of its proper divisors (762995).

7942957 is a wasteful number, since it uses less digits than its factorization.

7942957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419.

The product of its digits is 158760, while the sum is 43.

The square root of 7942957 is about 2818.3252118945. The cubic root of 7942957 is about 199.5235073419.

The spelling of 7942957 in words is "seven million, nine hundred forty-two thousand, nine hundred fifty-seven".