42954657 has 4 divisors (see below), whose sum is σ = 57272880. Its totient is φ = 28636436.

The previous prime is 42954647. The next prime is 42954661. The reversal of 42954657 is 75645924.

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.

It is a cyclic number.

It is not a de Polignac number, because 42954657 - 2⁴ = 42954641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42954647) 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, 7159107 + ... + 7159112.

It is an arithmetic number, because the mean of its divisors is an integer number (14318220).

Almost surely, 2^42954657 is an apocalyptic number.

It is an amenable number.

42954657 is a deficient number, since it is larger than the sum of its proper divisors (14318223).

42954657 is a wasteful number, since it uses less digits than its factorization.

42954657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14318222.

The product of its digits is 302400, while the sum is 42.

The square root of 42954657 is about 6553.9802410444. The cubic root of 42954657 is about 350.2166196451.

The spelling of 42954657 in words is "forty-two million, nine hundred fifty-four thousand, six hundred fifty-seven".