34728912 has 100 divisors (see below), whose sum is σ = 101787136. Its totient is φ = 11430720.

The previous prime is 34728901. The next prime is 34728913. The reversal of 34728912 is 21982743.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34728913) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164487 + ... + 164697.

Almost surely, 2^34728912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34728912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50893568).

34728912 is an abundant number, since it is smaller than the sum of its proper divisors (67058224).

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

34728912 is a wasteful number, since it uses less digits than its factorization.

34728912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 343 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 34728912 is about 5893.1241290168. The cubic root of 34728912 is about 326.2599204276.

The spelling of 34728912 in words is "thirty-four million, seven hundred twenty-eight thousand, nine hundred twelve".