7347254778724 has 135 divisors (see below), whose sum is σ = 15943792799193. Its totient is φ = 2961777055104.

The previous prime is 7347254778709. The next prime is 7347254778733. The reversal of 7347254778724 is 4278774527437.

The square root of 7347254778724 is 2710582.

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., 5720181056100 + 1627073722624 = 2391690^2 + 1275568^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7347254778724.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 4515828799 + ... + 4515830425.

Almost surely, 2^{7347254778724} is an apocalyptic number.

7347254778724 is the 2710582-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7347254778724

7347254778724 is an abundant number, since it is smaller than the sum of its proper divisors (8596538020469).

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

7347254778724 is an frugal number, since it uses more digits than its factorization.

7347254778724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 1653 counting only the distinct ones).

The product of its digits is 516311040, while the sum is 67.

The spelling of 7347254778724 in words is "seven trillion, three hundred forty-seven billion, two hundred fifty-four million, seven hundred seventy-eight thousand, seven hundred twenty-four".