7042957 has 4 divisors (see below), whose sum is σ = 7061920. Its totient is φ = 7023996.

The previous prime is 7042949. The next prime is 7042961. The reversal of 7042957 is 7592407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7592407 = 181 ⋅41947.

It is a cyclic number.

It is not a de Polignac number, because 7042957 - 2³ = 7042949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8913 + ... + 9670.

It is an arithmetic number, because the mean of its divisors is an integer number (1765480).

Almost surely, 2^7042957 is an apocalyptic number.

It is an amenable number.

7042957 is a deficient number, since it is larger than the sum of its proper divisors (18963).

7042957 is a wasteful number, since it uses less digits than its factorization.

7042957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18962.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7042957 is about 2653.8570044371. The cubic root of 7042957 is about 191.6836242925.

The spelling of 7042957 in words is "seven million, forty-two thousand, nine hundred fifty-seven".