34989729 has 8 divisors (see below), whose sum is σ = 47215392. Its totient is φ = 23045280.

The previous prime is 34989719. The next prime is 34989737. The reversal of 34989729 is 92798943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34989729 - 2²¹ = 32892577 is a prime.

It is a super-2 number, since 2×34989729² = 2448562270986882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34989709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70012 + ... + 70509.

It is an arithmetic number, because the mean of its divisors is an integer number (5901924).

Almost surely, 2^34989729 is an apocalyptic number.

It is an amenable number.

34989729 is a deficient number, since it is larger than the sum of its proper divisors (12225663).

34989729 is a wasteful number, since it uses less digits than its factorization.

34989729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140607.

The product of its digits is 979776, while the sum is 51.

The square root of 34989729 is about 5915.2116614708. The cubic root of 34989729 is about 327.0746306293.

The spelling of 34989729 in words is "thirty-four million, nine hundred eighty-nine thousand, seven hundred twenty-nine".