34921790 has 16 divisors (see below), whose sum is σ = 62963568. Its totient is φ = 13945536.

The previous prime is 34921769. The next prime is 34921801. The reversal of 34921790 is 9712943.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34921790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4274 + ... + 9386.

It is an arithmetic number, because the mean of its divisors is an integer number (3935223).

Almost surely, 2^34921790 is an apocalyptic number.

34921790 is a deficient number, since it is larger than the sum of its proper divisors (28041778).

34921790 is a wasteful number, since it uses less digits than its factorization.

34921790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 34921790 is about 5909.4661349398. The cubic root of 34921790 is about 326.8628015999.

The spelling of 34921790 in words is "thirty-four million, nine hundred twenty-one thousand, seven hundred ninety".