64412504 has 32 divisors (see below), whose sum is σ = 131544000. Its totient is φ = 29390592.

The previous prime is 64412503. The next prime is 64412533. The reversal of 64412504 is 40521446.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64412503) 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, 5777 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (4110750).

Almost surely, 2^64412504 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 64412504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65772000).

64412504 is an abundant number, since it is smaller than the sum of its proper divisors (67131496).

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

64412504 is a wasteful number, since it uses less digits than its factorization.

64412504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067 (or 7063 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 64412504 is about 8025.7400904839. The cubic root of 64412504 is about 400.8575435671.

The spelling of 64412504 in words is "sixty-four million, four hundred twelve thousand, five hundred four".