64474 has 4 divisors (see below), whose sum is σ = 96714. Its totient is φ = 32236.

The previous prime is 64453. The next prime is 64483. The reversal of 64474 is 47446.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37249 + 27225 = 193^2 + 165^2 .

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16117 + ... + 16120.

2⁶⁴⁴⁷⁴ is an apocalyptic number.

64474 is a deficient number, since it is larger than the sum of its proper divisors (32240).

64474 is a wasteful number, since it uses less digits than its factorization.

64474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32239.

The product of its digits is 2688, while the sum is 25.

The square root of 64474 is about 253.9173093745. The cubic root of 64474 is about 40.0985072091.

The spelling of 64474 in words is "sixty-four thousand, four hundred seventy-four".