7251699742 has 24 divisors (see below), whose sum is σ = 12547358928. Its totient is φ = 3078929280.

The previous prime is 7251699691. The next prime is 7251699743. The reversal of 7251699742 is 2479961527.

It is a super-3 number, since 3×7251699742³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7251699742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7251699743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3385992 + ... + 3388132.

It is an arithmetic number, because the mean of its divisors is an integer number (522806622).

Almost surely, 2^7251699742 is an apocalyptic number.

7251699742 is a deficient number, since it is larger than the sum of its proper divisors (5295659186).

7251699742 is an equidigital number, since it uses as much as digits as its factorization.

7251699742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404 (or 2263 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The square root of 7251699742 is about 85156.9124733864. The cubic root of 7251699742 is about 1935.5895611757.

The spelling of 7251699742 in words is "seven billion, two hundred fifty-one million, six hundred ninety-nine thousand, seven hundred forty-two".