63570464 has 12 divisors (see below), whose sum is σ = 125154414. Its totient is φ = 31785216.

The previous prime is 63570443. The next prime is 63570473. The reversal of 63570464 is 46407536.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 30162064 = 5780^2 + 5492^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993257 + ... + 993320.

Almost surely, 2^63570464 is an apocalyptic number.

It is an amenable number.

63570464 is a deficient number, since it is larger than the sum of its proper divisors (61583950).

63570464 is a wasteful number, since it uses less digits than its factorization.

63570464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986587 (or 1986579 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 63570464 is about 7973.1088039735. The cubic root of 63570464 is about 399.1031238693.

The spelling of 63570464 in words is "sixty-three million, five hundred seventy thousand, four hundred sixty-four".