654453672 has 64 divisors (see below), whose sum is σ = 1713096000. Its totient is φ = 208072704.

The previous prime is 654453659. The next prime is 654453673. The reversal of 654453672 is 276354456.

It is not an unprimeable number, because it can be changed into a prime (654453673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52104 + ... + 63432.

It is an arithmetic number, because the mean of its divisors is an integer number (26767125).

Almost surely, 2^654453672 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 654453672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856548000).

654453672 is an abundant number, since it is smaller than the sum of its proper divisors (1058642328).

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

654453672 is a wasteful number, since it uses less digits than its factorization.

654453672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450 (or 11446 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The square root of 654453672 is about 25582.2921568807. The cubic root of 654453672 is about 868.2130371072.

The spelling of 654453672 in words is "six hundred fifty-four million, four hundred fifty-three thousand, six hundred seventy-two".