7400748428 has 12 divisors (see below), whose sum is σ = 12952277520. Its totient is φ = 3700097712.

The previous prime is 7400748413. The next prime is 7400748457. The reversal of 7400748428 is 8248470047.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568 + ... + 121671.

It is an arithmetic number, because the mean of its divisors is an integer number (1079356460).

Almost surely, 2^7400748428 is an apocalyptic number.

It is an amenable number.

7400748428 is a deficient number, since it is larger than the sum of its proper divisors (5551529092).

7400748428 is a wasteful number, since it uses less digits than its factorization.

7400748428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138256 (or 138254 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 44.

The square root of 7400748428 is about 86027.6027098280. The cubic root of 7400748428 is about 1948.7608544672.

The spelling of 7400748428 in words is "seven billion, four hundred million, seven hundred forty-eight thousand, four hundred twenty-eight".