64449702 has 16 divisors (see below), whose sum is σ = 143221680. Its totient is φ = 21483216.

The previous prime is 64449683. The next prime is 64449719. The reversal of 64449702 is 20794446.

64449702 is a `hidden beast` number, since 644 + 4 + 9 + 7 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596703 + ... + 596810.

It is an arithmetic number, because the mean of its divisors is an integer number (8951355).

Almost surely, 2^64449702 is an apocalyptic number.

64449702 is an abundant number, since it is smaller than the sum of its proper divisors (78771978).

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

64449702 is a wasteful number, since it uses less digits than its factorization.

64449702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193524 (or 1193518 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 64449702 is about 8028.0571746843. The cubic root of 64449702 is about 400.9346933363.

The spelling of 64449702 in words is "sixty-four million, four hundred forty-nine thousand, seven hundred two".