64974677 has 8 divisors (see below), whose sum is σ = 66601920. Its totient is φ = 63352800.

The previous prime is 64974671. The next prime is 64974713. The reversal of 64974677 is 77647946.

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 64974677 - 2¹⁴ = 64958293 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 (64974671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35177 + ... + 36977.

It is an arithmetic number, because the mean of its divisors is an integer number (8325240).

Almost surely, 2^64974677 is an apocalyptic number.

It is an amenable number.

64974677 is a deficient number, since it is larger than the sum of its proper divisors (1627243).

64974677 is a wasteful number, since it uses less digits than its factorization.

64974677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its digits is 1778112, while the sum is 50.

The square root of 64974677 is about 8060.6871295194. The cubic root of 64974677 is about 402.0203553136.

The spelling of 64974677 in words is "sixty-four million, nine hundred seventy-four thousand, six hundred seventy-seven".