42477530 has 8 divisors (see below), whose sum is σ = 76459572. Its totient is φ = 16991008.

The previous prime is 42477511. The next prime is 42477551. The reversal of 42477530 is 3577424.

It can be written as a sum of positive squares in 2 ways, for example, as 42471289 + 6241 = 6517^2 + 79^2 .

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, 2123867 + ... + 2123886.

Almost surely, 2^42477530 is an apocalyptic number.

42477530 is a deficient number, since it is larger than the sum of its proper divisors (33982042).

42477530 is a wasteful number, since it uses less digits than its factorization.

42477530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247760.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 42477530 is about 6517.4788070235. The cubic root of 42477530 is about 348.9150895093.

The spelling of 42477530 in words is "forty-two million, four hundred seventy-seven thousand, five hundred thirty".