7399742751 has 24 divisors (see below), whose sum is σ = 10723681280. Its totient is φ = 4916966976.

The previous prime is 7399742743. The next prime is 7399742773. The reversal of 7399742751 is 1572479937.

It is not a de Polignac number, because 7399742751 - 2³ = 7399742743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7399742951) 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 23 ways as a sum of consecutive naturals, for example, 5784930 + ... + 5786208.

Almost surely, 2^7399742751 is an apocalyptic number.

7399742751 is a deficient number, since it is larger than the sum of its proper divisors (3323938529).

7399742751 is a wasteful number, since it uses less digits than its factorization.

7399742751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895 (or 2892 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The square root of 7399742751 is about 86021.7574279903. The cubic root of 7399742751 is about 1948.6725790373.

The spelling of 7399742751 in words is "seven billion, three hundred ninety-nine million, seven hundred forty-two thousand, seven hundred fifty-one".