34722081 has 16 divisors (see below), whose sum is σ = 51717120. Its totient is φ = 23023440.

The previous prime is 34722073. The next prime is 34722091. The reversal of 34722081 is 18022743.

It is not a de Polignac number, because 34722081 - 2³ = 34722073 is a prime.

It is a super-2 number, since 2×34722081² = 2411245817941122, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34722011) 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, 1791 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (3232320).

Almost surely, 2^34722081 is an apocalyptic number.

It is an amenable number.

34722081 is a deficient number, since it is larger than the sum of its proper divisors (16995039).

34722081 is a wasteful number, since it uses less digits than its factorization.

34722081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933 (or 6927 counting only the distinct ones).

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

The square root of 34722081 is about 5892.5445267728. The cubic root of 34722081 is about 326.2385278038.

The spelling of 34722081 in words is "thirty-four million, seven hundred twenty-two thousand, eighty-one".