64954623 has 8 divisors (see below), whose sum is σ = 86929200. Its totient is φ = 43141568.

The previous prime is 64954607. The next prime is 64954649. The reversal of 64954623 is 32645946.

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 64954623 - 2⁴ = 64954607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64954723) 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, 39438 + ... + 41051.

It is an arithmetic number, because the mean of its divisors is an integer number (10866150).

Almost surely, 2^64954623 is an apocalyptic number.

64954623 is a deficient number, since it is larger than the sum of its proper divisors (21974577).

64954623 is a wasteful number, since it uses less digits than its factorization.

64954623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80761.

The product of its digits is 155520, while the sum is 39.

The square root of 64954623 is about 8059.4430949043. The cubic root of 64954623 is about 401.9789907587.

The spelling of 64954623 in words is "sixty-four million, nine hundred fifty-four thousand, six hundred twenty-three".