7492256988 has 12 divisors (see below), whose sum is σ = 17481933000. Its totient is φ = 2497418992.

The previous prime is 7492256987. The next prime is 7492257001. The reversal of 7492256988 is 8896522947.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7492256988² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492256987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312177363 + ... + 312177386.

It is an arithmetic number, because the mean of its divisors is an integer number (1456827750).

Almost surely, 2^7492256988 is an apocalyptic number.

It is an amenable number.

7492256988 is an abundant number, since it is smaller than the sum of its proper divisors (9989676012).

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

7492256988 is a wasteful number, since it uses less digits than its factorization.

7492256988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624354756 (or 624354754 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The square root of 7492256988 is about 86557.8245336607. The cubic root of 7492256988 is about 1956.7599693668.

The spelling of 7492256988 in words is "seven billion, four hundred ninety-two million, two hundred fifty-six thousand, nine hundred eighty-eight".