42451716 has 24 divisors (see below), whose sum is σ = 101162880. Its totient is φ = 13849312.

The previous prime is 42451709. The next prime is 42451733. The reversal of 42451716 is 61715424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37071 + ... + 38198.

It is an arithmetic number, because the mean of its divisors is an integer number (4215120).

Almost surely, 2^42451716 is an apocalyptic number.

It is an amenable number.

42451716 is an abundant number, since it is smaller than the sum of its proper divisors (58711164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42451716 is a wasteful number, since it uses less digits than its factorization.

42451716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75323 (or 75321 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 42451716 is about 6515.4981390528. The cubic root of 42451716 is about 348.8443955113.

The spelling of 42451716 in words is "forty-two million, four hundred fifty-one thousand, seven hundred sixteen".