64446748 has 12 divisors (see below), whose sum is σ = 115830232. Its totient is φ = 31352400.

The previous prime is 64446743. The next prime is 64446749. The reversal of 64446748 is 84764446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64446743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217578 + ... + 217873.

Almost surely, 2^64446748 is an apocalyptic number.

It is an amenable number.

64446748 is a deficient number, since it is larger than the sum of its proper divisors (51383484).

64446748 is a wasteful number, since it uses less digits than its factorization.

64446748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435492 (or 435490 counting only the distinct ones).

The product of its digits is 516096, while the sum is 43.

The square root of 64446748 is about 8027.8731928201. The cubic root of 64446748 is about 400.9285677369.

The spelling of 64446748 in words is "sixty-four million, four hundred forty-six thousand, seven hundred forty-eight".