7917402472500 has 60 divisors (see below), whose sum is σ = 23085034324352. Its totient is φ = 2111307324000.

The previous prime is 7917402472489. The next prime is 7917402472501. The reversal of 7917402472500 is 52742047197.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×7917402472500² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7917402472500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7917402472501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 527819332 + ... + 527834331.

Almost surely, 2^{7917402472500} is an apocalyptic number.

It is an amenable number.

7917402472500 is an abundant number, since it is smaller than the sum of its proper divisors (15167631851852).

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

7917402472500 is a wasteful number, since it uses less digits than its factorization.

7917402472500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055653690 (or 1055653673 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 7917402472500 in words is "seven trillion, nine hundred seventeen billion, four hundred two million, four hundred seventy-two thousand, five hundred".