64764413 has 8 divisors (see below), whose sum is σ = 74260032. Its totient is φ = 55329696.

The previous prime is 64764377. The next prime is 64764419. The reversal of 64764413 is 31446746.

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 64764413 - 2⁸ = 64764157 is a prime.

It is a super-3 number, since 3×64764413³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64764419) 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, 12920 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (9282504).

Almost surely, 2^64764413 is an apocalyptic number.

It is an amenable number.

64764413 is a deficient number, since it is larger than the sum of its proper divisors (9495619).

64764413 is a wasteful number, since it uses less digits than its factorization.

64764413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30451.

The product of its digits is 48384, while the sum is 35.

The square root of 64764413 is about 8047.6340001270. The cubic root of 64764413 is about 401.5862284666.

The spelling of 64764413 in words is "sixty-four million, seven hundred sixty-four thousand, four hundred thirteen".