34712172 has 96 divisors (see below), whose sum is σ = 99993600. Its totient is φ = 10324800.

The previous prime is 34712141. The next prime is 34712173. The reversal of 34712172 is 27121743.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34712173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72229 + ... + 72707.

It is an arithmetic number, because the mean of its divisors is an integer number (1041600).

Almost surely, 2^34712172 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 34712172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49996800).

34712172 is an abundant number, since it is smaller than the sum of its proper divisors (65281428).

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

34712172 is a wasteful number, since it uses less digits than its factorization.

34712172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 556 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 34712172 is about 5891.7036585354. The cubic root of 34712172 is about 326.2074908282.

The spelling of 34712172 in words is "thirty-four million, seven hundred twelve thousand, one hundred seventy-two".