42624527 has 4 divisors (see below), whose sum is σ = 46499496. Its totient is φ = 38749560.

The previous prime is 42624523. The next prime is 42624539. The reversal of 42624527 is 72542624.

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

It is a cyclic number.

It is not a de Polignac number, because 42624527 - 2² = 42624523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42624493 and 42624502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42624523) 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, 1937468 + ... + 1937489.

It is an arithmetic number, because the mean of its divisors is an integer number (11624874).

Almost surely, 2^42624527 is an apocalyptic number.

42624527 is a deficient number, since it is larger than the sum of its proper divisors (3874969).

42624527 is a wasteful number, since it uses less digits than its factorization.

42624527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874968.

The product of its digits is 26880, while the sum is 32.

The square root of 42624527 is about 6528.7462042876. The cubic root of 42624527 is about 349.3171092837.

The spelling of 42624527 in words is "forty-two million, six hundred twenty-four thousand, five hundred twenty-seven".