64293474 has 32 divisors (see below), whose sum is σ = 147271680. Its totient is φ = 18330192.

The previous prime is 64293431. The next prime is 64293479. The reversal of 64293474 is 47439246.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64293479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22287 + ... + 25005.

It is an arithmetic number, because the mean of its divisors is an integer number (4602240).

Almost surely, 2^64293474 is an apocalyptic number.

64293474 is an abundant number, since it is smaller than the sum of its proper divisors (82978206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64293474 is a wasteful number, since it uses less digits than its factorization.

64293474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294.

The product of its digits is 145152, while the sum is 39.

The square root of 64293474 is about 8018.3211459756. The cubic root of 64293474 is about 400.6104720025.

The spelling of 64293474 in words is "sixty-four million, two hundred ninety-three thousand, four hundred seventy-four".