653407672 has 16 divisors (see below), whose sum is σ = 1225553400. Its totient is φ = 326593440.

The previous prime is 653407669. The next prime is 653407673. The reversal of 653407672 is 276704356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653407673) 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, 14854 + ... + 39082.

Almost surely, 2^653407672 is an apocalyptic number.

It is an amenable number.

653407672 is a deficient number, since it is larger than the sum of its proper divisors (572145728).

653407672 is a wasteful number, since it uses less digits than its factorization.

653407672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27606 (or 27602 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 653407672 is about 25561.8401528528. The cubic root of 653407672 is about 867.7502413779.

The spelling of 653407672 in words is "six hundred fifty-three million, four hundred seven thousand, six hundred seventy-two".