64036756 has 48 divisors (see below), whose sum is σ = 140313600. Its totient is φ = 24933888.

The previous prime is 64036747. The next prime is 64036757. The reversal of 64036756 is 65763046.

It is a super-2 number, since 2×64036756² = 8201412238007072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64036757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11485 + ... + 16123.

It is an arithmetic number, because the mean of its divisors is an integer number (2923200).

Almost surely, 2^64036756 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 64036756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70156800).

64036756 is an abundant number, since it is smaller than the sum of its proper divisors (76276844).

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

64036756 is a wasteful number, since it uses less digits than its factorization.

64036756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 64036756 is about 8002.2969202598. The cubic root of 64036756 is about 400.0765603453.

The spelling of 64036756 in words is "sixty-four million, thirty-six thousand, seven hundred fifty-six".