3347974728 has 64 divisors (see below), whose sum is σ = 10628496000. Its totient is φ = 956563776.

The previous prime is 3347974717. The next prime is 3347974741. The reversal of 3347974728 is 8274797433.

3347974728 is a `hidden beast` number, since 33 + 479 + 74 + 72 + 8 = 666.

It is a super-2 number, since 2×3347974728² = 22417869558653347968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105623 + ... + 1108646.

It is an arithmetic number, because the mean of its divisors is an integer number (166070250).

Almost surely, 2^3347974728 is an apocalyptic number.

It is an amenable number.

3347974728 is an abundant number, since it is smaller than the sum of its proper divisors (7280521272).

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

3347974728 is a wasteful number, since it uses less digits than its factorization.

3347974728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214291 (or 2214281 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The square root of 3347974728 is about 57861.6861835187. The cubic root of 3347974728 is about 1495.9855215600.

The spelling of 3347974728 in words is "three billion, three hundred forty-seven million, nine hundred seventy-four thousand, seven hundred twenty-eight".