57672946 has 4 divisors (see below), whose sum is σ = 86509422. Its totient is φ = 28836472.

The previous prime is 57672941. The next prime is 57672947. The reversal of 57672946 is 64927675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56325025 + 1347921 = 7505^2 + 1161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57672896 and 57672905.

It is not an unprimeable number, because it can be changed into a prime (57672941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14418235 + ... + 14418238.

Almost surely, 2^57672946 is an apocalyptic number.

57672946 is a deficient number, since it is larger than the sum of its proper divisors (28836476).

57672946 is a wasteful number, since it uses less digits than its factorization.

57672946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28836475.

The product of its digits is 635040, while the sum is 46.

The square root of 57672946 is about 7594.2706035537. The cubic root of 57672946 is about 386.3587142097.

The spelling of 57672946 in words is "fifty-seven million, six hundred seventy-two thousand, nine hundred forty-six".