64072463 has 24 divisors (see below), whose sum is σ = 81287136. Its totient is φ = 49420800.

The previous prime is 64072447. The next prime is 64072483. The reversal of 64072463 is 36427046.

It is not a de Polignac number, because 64072463 - 2⁴ = 64072447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64072403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47843 + ... + 49163.

It is an arithmetic number, because the mean of its divisors is an integer number (3386964).

Almost surely, 2^64072463 is an apocalyptic number.

64072463 is a deficient number, since it is larger than the sum of its proper divisors (17214673).

64072463 is a wasteful number, since it uses less digits than its factorization.

64072463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 64072463 is about 8004.5276562705. The cubic root of 64072463 is about 400.1509076434.

The spelling of 64072463 in words is "sixty-four million, seventy-two thousand, four hundred sixty-three".