7491248704 has 63 divisors (see below), whose sum is σ = 15404584761. Its totient is φ = 3614411520.

The previous prime is 7491248659. The next prime is 7491248717. The reversal of 7491248704 is 4078421947.

The square root of 7491248704 is 86552.

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

It can be written as a sum of positive squares in only one way, i.e., 5498519104 + 1992729600 = 74152^2 + 44640^2 .

It is a super-2 number, since 2×7491248704² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21464722 + ... + 21465070.

Almost surely, 2^7491248704 is an apocalyptic number.

7491248704 is the 86552-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7491248704

7491248704 is an abundant number, since it is smaller than the sum of its proper divisors (7913336057).

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

7491248704 is an frugal number, since it uses more digits than its factorization.

7491248704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The cubic root of 7491248704 is about 1956.6721872612.

The spelling of 7491248704 in words is "seven billion, four hundred ninety-one million, two hundred forty-eight thousand, seven hundred four".