56740042 has 8 divisors (see below), whose sum is σ = 89589600. Its totient is φ = 26876844.

The previous prime is 56740027. The next prime is 56740043. The reversal of 56740042 is 24004765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56740043) 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, 746542 + ... + 746617.

It is an arithmetic number, because the mean of its divisors is an integer number (11198700).

Almost surely, 2^56740042 is an apocalyptic number.

56740042 is a deficient number, since it is larger than the sum of its proper divisors (32849558).

56740042 is a wasteful number, since it uses less digits than its factorization.

56740042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493180.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 56740042 is about 7532.5986219896. The cubic root of 56740042 is about 384.2641637554.

The spelling of 56740042 in words is "fifty-six million, seven hundred forty thousand, forty-two".