34728856 has 8 divisors (see below), whose sum is σ = 65116620. Its totient is φ = 17364424.

The previous prime is 34728853. The next prime is 34728857. The reversal of 34728856 is 65882743.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34728853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170546 + ... + 2170561.

Almost surely, 2^34728856 is an apocalyptic number.

It is an amenable number.

34728856 is a deficient number, since it is larger than the sum of its proper divisors (30387764).

34728856 is a wasteful number, since it uses less digits than its factorization.

34728856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341113 (or 4341109 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 34728856 is about 5893.1193777150. The cubic root of 34728856 is about 326.2597450640.

The spelling of 34728856 in words is "thirty-four million, seven hundred twenty-eight thousand, eight hundred fifty-six".