321054724 has 45 divisors (see below), whose sum is σ = 616838691. Its totient is φ = 146210880.

The previous prime is 321054689. The next prime is 321054751. The reversal of 321054724 is 427450123.

The square root of 321054724 is 17918.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 99640324 + 221414400 = 9982^2 + 14880^2 .

It is a super-2 number, since 2×321054724² = 206152271605432352, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321054692 and 321054701.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 10356589 + ... + 10356619.

Almost surely, 2^321054724 is an apocalyptic number.

321054724 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

321054724 is the 17918-th square number.

It is an amenable number.

321054724 is a deficient number, since it is larger than the sum of its proper divisors (295783967).

321054724 is an frugal number, since it uses more digits than its factorization.

321054724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The cubic root of 321054724 is about 684.7410348291.

The spelling of 321054724 in words is "three hundred twenty-one million, fifty-four thousand, seven hundred twenty-four".