56743642 has 8 divisors (see below), whose sum is σ = 85993236. Its totient is φ = 28079232.

The previous prime is 56743613. The next prime is 56743657. The reversal of 56743642 is 24634765.

It can be written as a sum of positive squares in 2 ways, for example, as 55935441 + 808201 = 7479^2 + 899^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146053 + ... + 146440.

Almost surely, 2^56743642 is an apocalyptic number.

56743642 is a deficient number, since it is larger than the sum of its proper divisors (29249594).

56743642 is a wasteful number, since it uses less digits than its factorization.

56743642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292592.

The product of its digits is 120960, while the sum is 37.

The square root of 56743642 is about 7532.8375795579. The cubic root of 56743642 is about 384.2722904192.

It can be divided in two parts, 5674 and 3642, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 56743642 in words is "fifty-six million, seven hundred forty-three thousand, six hundred forty-two".