42754957 has 4 divisors (see below), whose sum is σ = 48862816. Its totient is φ = 36647100.

The previous prime is 42754937. The next prime is 42754963. The reversal of 42754957 is 75945724.

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 de Polignac number, because none of the positive numbers 2^k-42754957 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 (42754927) 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, 3053919 + ... + 3053932.

It is an arithmetic number, because the mean of its divisors is an integer number (12215704).

Almost surely, 2^42754957 is an apocalyptic number.

It is an amenable number.

42754957 is a deficient number, since it is larger than the sum of its proper divisors (6107859).

42754957 is an equidigital number, since it uses as much as digits as its factorization.

42754957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107858.

The product of its digits is 352800, while the sum is 43.

The square root of 42754957 is about 6538.7274755873. The cubic root of 42754957 is about 349.6730470525.

The spelling of 42754957 in words is "forty-two million, seven hundred fifty-four thousand, nine hundred fifty-seven".