7399742928 has 80 divisors (see below), whose sum is σ = 19402567680. Its totient is φ = 2429751168.

The previous prime is 7399742843. The next prime is 7399742939. The reversal of 7399742928 is 8292479937.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1844701 + ... + 1848707.

It is an arithmetic number, because the mean of its divisors is an integer number (242532096).

Almost surely, 2^7399742928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7399742928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9701283840).

7399742928 is an abundant number, since it is smaller than the sum of its proper divisors (12002824752).

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

7399742928 is a wasteful number, since it uses less digits than its factorization.

7399742928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4578 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 7399742928 is about 86021.7584567998. The cubic root of 7399742928 is about 1948.6725945745.

The spelling of 7399742928 in words is "seven billion, three hundred ninety-nine million, seven hundred forty-two thousand, nine hundred twenty-eight".