34687690 has 16 divisors (see below), whose sum is σ = 62755200. Its totient is φ = 13804560.

The previous prime is 34687669. The next prime is 34687691. The reversal of 34687690 is 9678643.

It is a happy number.

It is a super-2 number, since 2×34687690² = 2406471675072200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34687691) 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, 6726 + ... + 10705.

It is an arithmetic number, because the mean of its divisors is an integer number (3922200).

Almost surely, 2^34687690 is an apocalyptic number.

34687690 is a deficient number, since it is larger than the sum of its proper divisors (28067510).

34687690 is a wasteful number, since it uses less digits than its factorization.

34687690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17637.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 34687690 is about 5889.6256247745. The cubic root of 34687690 is about 326.1307829609.

The spelling of 34687690 in words is "thirty-four million, six hundred eighty-seven thousand, six hundred ninety".