653795740 has 24 divisors (see below), whose sum is σ = 1478584800. Its totient is φ = 241401408.

The previous prime is 653795729. The next prime is 653795767. The reversal of 653795740 is 47597356.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 1257040 + ... + 1257559.

It is an arithmetic number, because the mean of its divisors is an integer number (61607700).

Almost surely, 2^653795740 is an apocalyptic number.

It is an amenable number.

653795740 is an abundant number, since it is smaller than the sum of its proper divisors (824789060).

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

653795740 is a wasteful number, since it uses less digits than its factorization.

653795740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514621 (or 2514619 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 653795740 is about 25569.4297941898. The cubic root of 653795740 is about 867.9219970679.

The spelling of 653795740 in words is "six hundred fifty-three million, seven hundred ninety-five thousand, seven hundred forty".