34678631 has 12 divisors (see below), whose sum is σ = 37819512. Its totient is φ = 31782816.

The previous prime is 34678613. The next prime is 34678639. The reversal of 34678631 is 13687643.

It is a de Polignac number, because none of the positive numbers 2^k-34678631 is a prime.

It is a super-2 number, since 2×34678631² = 2405214896068322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34678639) 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, 25880 + ... + 27186.

It is an arithmetic number, because the mean of its divisors is an integer number (3151626).

Almost surely, 2^34678631 is an apocalyptic number.

34678631 is a deficient number, since it is larger than the sum of its proper divisors (3140881).

34678631 is a wasteful number, since it uses less digits than its factorization.

34678631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1477 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 34678631 is about 5888.8565103932. The cubic root of 34678631 is about 326.1023898337.

The spelling of 34678631 in words is "thirty-four million, six hundred seventy-eight thousand, six hundred thirty-one".