64113672 has 32 divisors (see below), whose sum is σ = 183182400. Its totient is φ = 18318144.

The previous prime is 64113661. The next prime is 64113677. The reversal of 64113672 is 27631146.

It is a super-2 number, since 2×64113672² = 8221125874647168, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (64113677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190647 + ... + 190982.

It is an arithmetic number, because the mean of its divisors is an integer number (5724450).

Almost surely, 2^64113672 is an apocalyptic number.

It is an amenable number.

64113672 is an abundant number, since it is smaller than the sum of its proper divisors (119068728).

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

64113672 is a wasteful number, since it uses less digits than its factorization.

64113672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381645 (or 381641 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 64113672 is about 8007.1013481784. The cubic root of 64113672 is about 400.2366765995.

The spelling of 64113672 in words is "sixty-four million, one hundred thirteen thousand, six hundred seventy-two".