7490007997 has 8 divisors (see below), whose sum is σ = 7528622400. Its totient is φ = 7451487360.

The previous prime is 7490007989. The next prime is 7490008021. The reversal of 7490007997 is 7997000947.

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

It is a cyclic number.

It is not a de Polignac number, because 7490007997 - 2³ = 7490007989 is a prime.

It is a super-2 number, since 2×7490007997² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7490007097) 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, 139629 + ... + 185677.

It is an arithmetic number, because the mean of its divisors is an integer number (941077800).

Almost surely, 2^7490007997 is an apocalyptic number.

It is an amenable number.

7490007997 is a deficient number, since it is larger than the sum of its proper divisors (38614403).

7490007997 is a wasteful number, since it uses less digits than its factorization.

7490007997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46883.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The square root of 7490007997 is about 86544.8322951752. The cubic root of 7490007997 is about 1956.5641593916.

The spelling of 7490007997 in words is "seven billion, four hundred ninety million, seven thousand, nine hundred ninety-seven".