7374403728 has 160 divisors (see below), whose sum is σ = 22335177600. Its totient is φ = 2323137024.

The previous prime is 7374403661. The next prime is 7374403739. The reversal of 7374403728 is 8273044737.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4571050 + ... + 4572662.

It is an arithmetic number, because the mean of its divisors is an integer number (139594860).

Almost surely, 2^7374403728 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 7374403728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11167588800).

7374403728 is an abundant number, since it is smaller than the sum of its proper divisors (14960773872).

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

7374403728 is a wasteful number, since it uses less digits than its factorization.

7374403728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 7374403728 is about 85874.3484866115. The cubic root of 7374403728 is about 1946.4457481102.

The spelling of 7374403728 in words is "seven billion, three hundred seventy-four million, four hundred three thousand, seven hundred twenty-eight".