64574413 has 8 divisors (see below), whose sum is σ = 65598336. Its totient is φ = 63554400.

The previous prime is 64574401. The next prime is 64574441. The reversal of 64574413 is 31447546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64574413 - 2¹⁷ = 64443341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64574453) 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, 66018 + ... + 66988.

It is an arithmetic number, because the mean of its divisors is an integer number (8199792).

Almost surely, 2^64574413 is an apocalyptic number.

It is an amenable number.

64574413 is a deficient number, since it is larger than the sum of its proper divisors (1023923).

64574413 is an equidigital number, since it uses as much as digits as its factorization.

64574413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955.

The product of its digits is 40320, while the sum is 34.

The square root of 64574413 is about 8035.8206177092. The cubic root of 64574413 is about 401.1931313057.

The spelling of 64574413 in words is "sixty-four million, five hundred seventy-four thousand, four hundred thirteen".