34648728 has 16 divisors (see below), whose sum is σ = 86621880. Its totient is φ = 11549568.

The previous prime is 34648717. The next prime is 34648739. The reversal of 34648728 is 82784643.

It is an interprime number because it is at equal distance from previous prime (34648717) and next prime (34648739).

It is a self number, because there is not a number n which added to its sum of digits gives 34648728.

It is a congruent number.

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, 721825 + ... + 721872.

Almost surely, 2^34648728 is an apocalyptic number.

It is an amenable number.

34648728 is an abundant number, since it is smaller than the sum of its proper divisors (51973152).

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

34648728 is a wasteful number, since it uses less digits than its factorization.

34648728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443706 (or 1443702 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 34648728 is about 5886.3170149084. The cubic root of 34648728 is about 326.0086313848.

The spelling of 34648728 in words is "thirty-four million, six hundred forty-eight thousand, seven hundred twenty-eight".