64416748 has 24 divisors (see below), whose sum is σ = 124818624. Its totient is φ = 28842000.

The previous prime is 64416739. The next prime is 64416749. The reversal of 64416748 is 84761446.

It is a self number, because there is not a number n which added to its sum of digits gives 64416748.

It is not an unprimeable number, because it can be changed into a prime (64416749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7978 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (5200776).

Almost surely, 2^64416748 is an apocalyptic number.

It is an amenable number.

64416748 is a deficient number, since it is larger than the sum of its proper divisors (60401876).

64416748 is a wasteful number, since it uses less digits than its factorization.

64416748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21933 (or 21931 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 64416748 is about 8026.0044854211. The cubic root of 64416748 is about 400.8663472514.

The spelling of 64416748 in words is "sixty-four million, four hundred sixteen thousand, seven hundred forty-eight".