42562709 has 8 divisors (see below), whose sum is σ = 48875328. Its totient is φ = 36308160.

The previous prime is 42562703. The next prime is 42562711. The reversal of 42562709 is 90726524.

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

It is not a de Polignac number, because 42562709 - 2⁸ = 42562453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42562703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12932 + ... + 15885.

It is an arithmetic number, because the mean of its divisors is an integer number (6109416).

Almost surely, 2^42562709 is an apocalyptic number.

It is an amenable number.

42562709 is a deficient number, since it is larger than the sum of its proper divisors (6312619).

42562709 is a wasteful number, since it uses less digits than its factorization.

42562709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29035.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 42562709 is about 6524.0101931251. The cubic root of 42562709 is about 349.1481570063.

The spelling of 42562709 in words is "forty-two million, five hundred sixty-two thousand, seven hundred nine".