649070600 has 48 divisors (see below), whose sum is σ = 1510775700. Its totient is φ = 259338240.

The previous prime is 649070581. The next prime is 649070627. The reversal of 649070600 is 6070946.

It can be written as a sum of positive squares in 6 ways, for example, as 541865284 + 107205316 = 23278^2 + 10354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320792 + ... + 322808.

Almost surely, 2^649070600 is an apocalyptic number.

It is an amenable number.

649070600 is an abundant number, since it is smaller than the sum of its proper divisors (861705100).

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

649070600 is a wasteful number, since it uses less digits than its factorization.

649070600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3633 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 649070600 is about 25476.8640142385. The cubic root of 649070600 is about 865.8260455233.

The spelling of 649070600 in words is "six hundred forty-nine million, seventy thousand, six hundred".