654372972 has 96 divisors (see below), whose sum is σ = 1900899840. Its totient is φ = 192922560.

The previous prime is 654372937. The next prime is 654373003. The reversal of 654372972 is 279273456.

It is a super-2 number, since 2×654372972² = 856407972968225568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36513 + ... + 51399.

It is an arithmetic number, because the mean of its divisors is an integer number (19801040).

Almost surely, 2^654372972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654372972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950449920).

654372972 is an abundant number, since it is smaller than the sum of its proper divisors (1246526868).

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

654372972 is a wasteful number, since it uses less digits than its factorization.

654372972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14948 (or 14940 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 654372972 is about 25580.7148453674. The cubic root of 654372972 is about 868.1773494921.

The spelling of 654372972 in words is "six hundred fifty-four million, three hundred seventy-two thousand, nine hundred seventy-two".