64798056 has 120 divisors (see below), whose sum is σ = 192241170. Its totient is φ = 20388672.

The previous prime is 64798051. The next prime is 64798073. The reversal of 64798056 is 65089746.

It can be written as a sum of positive squares in only one way, i.e., 61873956 + 2924100 = 7866^2 + 1710^2 .

It is a super-2 number, since 2×64798056² = 8397576122758272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64798051) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 233790 + ... + 234066.

Almost surely, 2^64798056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64798056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96120585).

64798056 is an abundant number, since it is smaller than the sum of its proper divisors (127443114).

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

64798056 is a wasteful number, since it uses less digits than its factorization.

64798056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 64798056 is about 8049.7239704228. The cubic root of 64798056 is about 401.6557534114.

It can be divided in two parts, 6479 and 8056, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 64798056 in words is "sixty-four million, seven hundred ninety-eight thousand, fifty-six".