34720870 has 16 divisors (see below), whose sum is σ = 62761248. Its totient is φ = 13829760.

The previous prime is 34720853. The next prime is 34720879. The reversal of 34720870 is 7802743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34720879) 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 7 ways as a sum of consecutive naturals, for example, 4794 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (3922578).

Almost surely, 2^34720870 is an apocalyptic number.

34720870 is a deficient number, since it is larger than the sum of its proper divisors (28040378).

34720870 is a wasteful number, since it uses less digits than its factorization.

34720870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14655.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 34720870 is about 5892.4417689104. The cubic root of 34720870 is about 326.2347350256.

The spelling of 34720870 in words is "thirty-four million, seven hundred twenty thousand, eight hundred seventy".