34174728 has 48 divisors (see below), whose sum is σ = 105780480. Its totient is φ = 9764064.

The previous prime is 34174727. The next prime is 34174753. The reversal of 34174728 is 82747143.

It is a happy number.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 34174692 and 34174701.

It is not an unprimeable number, because it can be changed into a prime (34174727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33400 + ... + 34407.

It is an arithmetic number, because the mean of its divisors is an integer number (2203760).

Almost surely, 2^34174728 is an apocalyptic number.

It is an amenable number.

34174728 is an abundant number, since it is smaller than the sum of its proper divisors (71605752).

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

34174728 is a wasteful number, since it uses less digits than its factorization.

34174728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67826 (or 67819 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 34174728 is about 5845.9154971655. The cubic root of 34174728 is about 324.5151840429.

The spelling of 34174728 in words is "thirty-four million, one hundred seventy-four thousand, seven hundred twenty-eight".