34042457 has 4 divisors (see below), whose sum is σ = 34172160. Its totient is φ = 33912756.

The previous prime is 34042451. The next prime is 34042501. The reversal of 34042457 is 75424043.

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 34042457 - 2²⁰ = 32993881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34042451) 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, 64457 + ... + 64982.

It is an arithmetic number, because the mean of its divisors is an integer number (8543040).

Almost surely, 2^34042457 is an apocalyptic number.

It is an amenable number.

34042457 is a deficient number, since it is larger than the sum of its proper divisors (129703).

34042457 is a wasteful number, since it uses less digits than its factorization.

34042457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129702.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 34042457 is about 5834.5914167146. The cubic root of 34042457 is about 324.0959712903.

The spelling of 34042457 in words is "thirty-four million, forty-two thousand, four hundred fifty-seven".