653504772 has 36 divisors (see below), whose sum is σ = 1606048080. Its totient is φ = 206248032.

The previous prime is 653504749. The next prime is 653504777. The reversal of 653504772 is 277405356.

It is a super-4 number, since 4×653504772⁴ (a number of 36 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 653504772.

It is not an unprimeable number, because it can be changed into a prime (653504777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385158 + ... + 386850.

Almost surely, 2^653504772 is an apocalyptic number.

It is an amenable number.

653504772 is an abundant number, since it is smaller than the sum of its proper divisors (952543308).

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

653504772 is a wasteful number, since it uses less digits than its factorization.

653504772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 653504772 is about 25563.7393978268. The cubic root of 653504772 is about 867.7932234133.

The spelling of 653504772 in words is "six hundred fifty-three million, five hundred four thousand, seven hundred seventy-two".