42524707 has 4 divisors (see below), whose sum is σ = 43429536. Its totient is φ = 41619880.

The previous prime is 42524693. The next prime is 42524743. The reversal of 42524707 is 70742524.

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 42524707 - 2⁷ = 42524579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42524767) 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, 452344 + ... + 452437.

It is an arithmetic number, because the mean of its divisors is an integer number (10857384).

Almost surely, 2^42524707 is an apocalyptic number.

42524707 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42524707 is a deficient number, since it is larger than the sum of its proper divisors (904829).

42524707 is an equidigital number, since it uses as much as digits as its factorization.

42524707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904828.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 42524707 is about 6521.0970702789. The cubic root of 42524707 is about 349.0442140682.

The spelling of 42524707 in words is "forty-two million, five hundred twenty-four thousand, seven hundred seven".