7492220920 has 32 divisors (see below), whose sum is σ = 17006688720. Its totient is φ = 2970365440.

The previous prime is 7492220893. The next prime is 7492220929. The reversal of 7492220920 is 290222947.

It is a super-2 number, since 2×7492220920² (a number of 21 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 7492220920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492220929) 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, 824266 + ... + 833305.

Almost surely, 2^7492220920 is an apocalyptic number.

It is an amenable number.

7492220920 is an abundant number, since it is smaller than the sum of its proper divisors (9514467800).

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

7492220920 is a wasteful number, since it uses less digits than its factorization.

7492220920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657695 (or 1657691 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7492220920 is about 86557.6161871386. The cubic root of 7492220920 is about 1956.7568293903.

The spelling of 7492220920 in words is "seven billion, four hundred ninety-two million, two hundred twenty thousand, nine hundred twenty".