7420039800625 has 15 divisors (see below), whose sum is σ = 9272166832621. Its totient is φ = 5935977361000.

The previous prime is 7420039800577. The next prime is 7420039800637. The reversal of 7420039800625 is 5260089300247.

The square root of 7420039800625 is 2723975.

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 581731120369 + 6838308680256 = 762713^2 + 2615016^2 .

It is not a de Polignac number, because 7420039800625 - 2¹³ = 7420039792433 is a prime.

It is a Duffinian number.

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, 68044896 + ... + 68153854.

Almost surely, 2^{7420039800625} is an apocalyptic number.

7420039800625 is the 2723975-th square number.

7420039800625 is the 1361988-th centered octagonal number.

It is an amenable number.

7420039800625 is a deficient number, since it is larger than the sum of its proper divisors (1852127031996).

7420039800625 is an frugal number, since it uses more digits than its factorization.

7420039800625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217938 (or 108964 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 7420039800625 in words is "seven trillion, four hundred twenty billion, thirty-nine million, eight hundred thousand, six hundred twenty-five".