64713413 has 8 divisors (see below), whose sum is σ = 67699800. Its totient is φ = 61777408.

The previous prime is 64713401. The next prime is 64713431. The reversal of 64713413 is 31431746.

It can be written as a sum of positive squares in 4 ways, for example, as 2256004 + 62457409 = 1502^2 + 7903^2 .

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 64713413 - 2⁶ = 64713349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64713433) 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, 9956 + ... + 15117.

It is an arithmetic number, because the mean of its divisors is an integer number (8462475).

Almost surely, 2^64713413 is an apocalyptic number.

It is an amenable number.

64713413 is a deficient number, since it is larger than the sum of its proper divisors (2986387).

64713413 is a wasteful number, since it uses less digits than its factorization.

64713413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25191.

The product of its digits is 6048, while the sum is 29.

The square root of 64713413 is about 8044.4647429148. The cubic root of 64713413 is about 401.4807884825.

The spelling of 64713413 in words is "sixty-four million, seven hundred thirteen thousand, four hundred thirteen".