7492720753 has 8 divisors (see below), whose sum is σ = 8708247360. Its totient is φ = 6313478640.

The previous prime is 7492720747. The next prime is 7492720759. The reversal of 7492720753 is 3570272947.

It is an interprime number because it is at equal distance from previous prime (7492720747) and next prime (7492720759).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7492720753 - 2⁵ = 7492720721 is a prime.

It is a super-3 number, since 3×7492720753³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7492720759) by changing a digit.

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, 9070678 + ... + 9071503.

It is an arithmetic number, because the mean of its divisors is an integer number (1088530920).

Almost surely, 2^7492720753 is an apocalyptic number.

It is an amenable number.

7492720753 is a deficient number, since it is larger than the sum of its proper divisors (1215526607).

7492720753 is a wasteful number, since it uses less digits than its factorization.

7492720753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142247.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 7492720753 is about 86560.5034239058. The cubic root of 7492720753 is about 1956.8003425176.

The spelling of 7492720753 in words is "seven billion, four hundred ninety-two million, seven hundred twenty thousand, seven hundred fifty-three".