34470729 has 12 divisors (see below), whose sum is σ = 51397632. Its totient is φ = 22239000.

The previous prime is 34470677. The next prime is 34470743. The reversal of 34470729 is 92707443.

It is not a de Polignac number, because 34470729 - 2¹³ = 34462537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34470693 and 34470702.

It is not an unprimeable number, because it can be changed into a prime (34470229) 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, 61497 + ... + 62054.

It is an arithmetic number, because the mean of its divisors is an integer number (4283136).

Almost surely, 2^34470729 is an apocalyptic number.

It is an amenable number.

34470729 is a deficient number, since it is larger than the sum of its proper divisors (16926903).

34470729 is a wasteful number, since it uses less digits than its factorization.

34470729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123588 (or 123585 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 34470729 is about 5871.1778205059. The cubic root of 34470729 is about 325.4494106148.

The spelling of 34470729 in words is "thirty-four million, four hundred seventy thousand, seven hundred twenty-nine".