34082721 has 16 divisors (see below), whose sum is σ = 50944320. Its totient is φ = 22518720.

The previous prime is 34082689. The next prime is 34082731. The reversal of 34082721 is 12728043.

It is not a de Polignac number, because 34082721 - 2⁵ = 34082689 is a prime.

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 (34082731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2535 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (3184020).

Almost surely, 2^34082721 is an apocalyptic number.

It is an amenable number.

34082721 is a deficient number, since it is larger than the sum of its proper divisors (16861599).

34082721 is a wasteful number, since it uses less digits than its factorization.

34082721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293 (or 11287 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 34082721 is about 5838.0408528889. The cubic root of 34082721 is about 324.2236966854.

The spelling of 34082721 in words is "thirty-four million, eighty-two thousand, seven hundred twenty-one".