7496978944 has 80 divisors (see below), whose sum is σ = 18436195008. Its totient is φ = 2965819392.

The previous prime is 7496978911. The next prime is 7496978947. The reversal of 7496978944 is 4498796947.

It is a self number, because there is not a number n which added to its sum of digits gives 7496978944.

It is not an unprimeable number, because it can be changed into a prime (7496978947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33862 + ... + 127045.

Almost surely, 2^7496978944 is an apocalyptic number.

It is an amenable number.

7496978944 is an abundant number, since it is smaller than the sum of its proper divisors (10939216064).

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

7496978944 is a wasteful number, since it uses less digits than its factorization.

7496978944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160945 (or 160929 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 67.

The square root of 7496978944 is about 86585.0965466921. The cubic root of 7496978944 is about 1957.1709623014.

It can be divided in two parts, 749697 and 8944, that added together give a square (758641 = 871²).

The spelling of 7496978944 in words is "seven billion, four hundred ninety-six million, nine hundred seventy-eight thousand, nine hundred forty-four".