7545913868272 has 80 divisors (see below), whose sum is σ = 17294103106560. Its totient is φ = 3155974500096.

The previous prime is 7545913868237. The next prime is 7545913868287. The reversal of 7545913868272 is 2728683195457.

It is a super-2 number, since 2×7545913868272² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7545913868198 and 7545913868207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41417608 + ... + 41599399.

It is an arithmetic number, because the mean of its divisors is an integer number (216176288832).

Almost surely, 2^{7545913868272} is an apocalyptic number.

It is an amenable number.

7545913868272 is an abundant number, since it is smaller than the sum of its proper divisors (9748189238288).

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

7545913868272 is a wasteful number, since it uses less digits than its factorization.

7545913868272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83017070 (or 83017064 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 67.

The spelling of 7545913868272 in words is "seven trillion, five hundred forty-five billion, nine hundred thirteen million, eight hundred sixty-eight thousand, two hundred seventy-two".