34686872 has 16 divisors (see below), whose sum is σ = 70950600. Its totient is φ = 15766720.

The previous prime is 34686863. The next prime is 34686877. The reversal of 34686872 is 27868643.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34686877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196997 + ... + 197172.

Almost surely, 2^34686872 is an apocalyptic number.

It is an amenable number.

34686872 is an abundant number, since it is smaller than the sum of its proper divisors (36263728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34686872 is a wasteful number, since it uses less digits than its factorization.

34686872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394186 (or 394182 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 34686872 is about 5889.5561802228. The cubic root of 34686872 is about 326.1282193514.

The spelling of 34686872 in words is "thirty-four million, six hundred eighty-six thousand, eight hundred seventy-two".