61337856 has 36 divisors (see below), whose sum is σ = 163250192. Its totient is φ = 20445696.

The previous prime is 61337831. The next prime is 61337873. The reversal of 61337856 is 65873316.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39166 + ... + 40701.

Almost surely, 2^61337856 is an apocalyptic number.

It is an amenable number.

61337856 is an abundant number, since it is smaller than the sum of its proper divisors (101912336).

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

61337856 is an equidigital number, since it uses as much as digits as its factorization.

61337856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79886 (or 79872 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 61337856 is about 7831.8488238729. The cubic root of 61337856 is about 394.3751397968.

The spelling of 61337856 in words is "sixty-one million, three hundred thirty-seven thousand, eight hundred fifty-six".