64411974 has 48 divisors (see below), whose sum is σ = 154771344. Its totient is φ = 19195200.

The previous prime is 64411973. The next prime is 64412003. The reversal of 64411974 is 47911446.

64411974 is a `hidden beast` number, since 644 + 1 + 1 + 9 + 7 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64411973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9412 + ... + 14744.

It is an arithmetic number, because the mean of its divisors is an integer number (3224403).

Almost surely, 2^64411974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64411974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77385672).

64411974 is an abundant number, since it is smaller than the sum of its proper divisors (90359370).

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

64411974 is a wasteful number, since it uses less digits than its factorization.

64411974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413 (or 5410 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 64411974 is about 8025.7070716542. The cubic root of 64411974 is about 400.8564441166.

The spelling of 64411974 in words is "sixty-four million, four hundred eleven thousand, nine hundred seventy-four".