61622456 has 24 divisors (see below), whose sum is σ = 132174120. Its totient is φ = 26384448.

The previous prime is 61622447. The next prime is 61622471. The reversal of 61622456 is 65422616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58220 + ... + 59268.

It is an arithmetic number, because the mean of its divisors is an integer number (5507255).

Almost surely, 2^61622456 is an apocalyptic number.

It is an amenable number.

61622456 is an abundant number, since it is smaller than the sum of its proper divisors (70551664).

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

61622456 is an equidigital number, since it uses as much as digits as its factorization.

61622456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111 (or 1058 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 61622456 is about 7849.9971974517. The cubic root of 61622456 is about 394.9841493399.

The spelling of 61622456 in words is "sixty-one million, six hundred twenty-two thousand, four hundred fifty-six".