57307642 has 8 divisors (see below), whose sum is σ = 98241696. Its totient is φ = 24560412.

The previous prime is 57307637. The next prime is 57307643. The reversal of 57307642 is 24670375.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 57307598 and 57307607.

It is not an unprimeable number, because it can be changed into a prime (57307643) 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, 2046688 + ... + 2046715.

It is an arithmetic number, because the mean of its divisors is an integer number (12280212).

Almost surely, 2^57307642 is an apocalyptic number.

57307642 is a deficient number, since it is larger than the sum of its proper divisors (40934054).

57307642 is a wasteful number, since it uses less digits than its factorization.

57307642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093412.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 57307642 is about 7570.1811074769. The cubic root of 57307642 is about 385.5412458258.

The spelling of 57307642 in words is "fifty-seven million, three hundred seven thousand, six hundred forty-two".