7492981564 has 6 divisors (see below), whose sum is σ = 13112717744. Its totient is φ = 3746490780.

The previous prime is 7492981553. The next prime is 7492981667. The reversal of 7492981564 is 4651892947.

It is a super-2 number, since 2×7492981564² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936622692 + ... + 936622699.

Almost surely, 2^7492981564 is an apocalyptic number.

It is an amenable number.

7492981564 is a deficient number, since it is larger than the sum of its proper divisors (5619736180).

7492981564 is a wasteful number, since it uses less digits than its factorization.

7492981564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873245395 (or 1873245393 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 7492981564 is about 86562.0099350749. The cubic root of 7492981564 is about 1956.8230467372.

The spelling of 7492981564 in words is "seven billion, four hundred ninety-two million, nine hundred eighty-one thousand, five hundred sixty-four".