7492720698 has 16 divisors (see below), whose sum is σ = 16650490560. Its totient is φ = 2497573548.

The previous prime is 7492720681. The next prime is 7492720721. The reversal of 7492720698 is 8960272947.

It is a super-2 number, since 2×7492720698² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 138754087 = 7492720698 / (7 + 4 + 9 + 2 + 7 + 2 + 0 + 6 + 9 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69376990 + ... + 69377097.

It is an arithmetic number, because the mean of its divisors is an integer number (1040655660).

Almost surely, 2^7492720698 is an apocalyptic number.

7492720698 is an abundant number, since it is smaller than the sum of its proper divisors (9157769862).

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

7492720698 is a wasteful number, since it uses less digits than its factorization.

7492720698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138754098 (or 138754092 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 7492720698 is about 86560.5031062089. The cubic root of 7492720698 is about 1956.8003377296.

The spelling of 7492720698 in words is "seven billion, four hundred ninety-two million, seven hundred twenty thousand, six hundred ninety-eight".