64411624 has 8 divisors (see below), whose sum is σ = 120771810. Its totient is φ = 32205808.

The previous prime is 64411621. The next prime is 64411631. The reversal of 64411624 is 42611446.

It can be written as a sum of positive squares in only one way, i.e., 46922500 + 17489124 = 6850^2 + 4182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64411592 and 64411601.

It is not an unprimeable number, because it can be changed into a prime (64411621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4025719 + ... + 4025734.

Almost surely, 2^64411624 is an apocalyptic number.

It is an amenable number.

64411624 is a deficient number, since it is larger than the sum of its proper divisors (56360186).

64411624 is a wasteful number, since it uses less digits than its factorization.

64411624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051459 (or 8051455 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 64411624 is about 8025.6852666922. The cubic root of 64411624 is about 400.8557180611.

The spelling of 64411624 in words is "sixty-four million, four hundred eleven thousand, six hundred twenty-four".