7274742428 has 12 divisors (see below), whose sum is σ = 12777778272. Its totient is φ = 3623948640.

The previous prime is 7274742389. The next prime is 7274742437. The reversal of 7274742428 is 8242474727.

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 3 ways as a sum of consecutive naturals, for example, 3354425 + ... + 3356592.

It is an arithmetic number, because the mean of its divisors is an integer number (1064814856).

Almost surely, 2^7274742428 is an apocalyptic number.

It is an amenable number.

7274742428 is a deficient number, since it is larger than the sum of its proper divisors (5503035844).

7274742428 is a wasteful number, since it uses less digits than its factorization.

7274742428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6711292 (or 6711290 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 47.

The square root of 7274742428 is about 85292.1006189905. The cubic root of 7274742428 is about 1937.6375419416.

The spelling of 7274742428 in words is "seven billion, two hundred seventy-four million, seven hundred forty-two thousand, four hundred twenty-eight".