64976343 has 8 divisors (see below), whose sum is σ = 86677248. Its totient is φ = 43296504.

The previous prime is 64976339. The next prime is 64976347. The reversal of 64976343 is 34367946.

It is an interprime number because it is at equal distance from previous prime (64976339) and next prime (64976347).

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

It is not a de Polignac number, because 64976343 - 2² = 64976339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64976295 and 64976304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64976347) 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, 4546 + ... + 12272.

It is an arithmetic number, because the mean of its divisors is an integer number (10834656).

Almost surely, 2^64976343 is an apocalyptic number.

64976343 is a deficient number, since it is larger than the sum of its proper divisors (21700905).

64976343 is a wasteful number, since it uses less digits than its factorization.

64976343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533.

The product of its digits is 326592, while the sum is 42.

The square root of 64976343 is about 8060.7904699229. The cubic root of 64976343 is about 402.0237913198.

The spelling of 64976343 in words is "sixty-four million, nine hundred seventy-six thousand, three hundred forty-three".