64263974 has 8 divisors (see below), whose sum is σ = 98747208. Its totient is φ = 31348240.

The previous prime is 64263959. The next prime is 64264019. The reversal of 64263974 is 47936246.

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

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391772 + ... + 391935.

It is an arithmetic number, because the mean of its divisors is an integer number (12343401).

Almost surely, 2^64263974 is an apocalyptic number.

64263974 is a deficient number, since it is larger than the sum of its proper divisors (34483234).

64263974 is a wasteful number, since it uses less digits than its factorization.

64263974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783750.

The product of its digits is 217728, while the sum is 41.

The square root of 64263974 is about 8016.4813977206. The cubic root of 64263974 is about 400.5491914601.

The spelling of 64263974 in words is "sixty-four million, two hundred sixty-three thousand, nine hundred seventy-four".