34783690 has 16 divisors (see below), whose sum is σ = 62816328. Its totient is φ = 13867776.

The previous prime is 34783687. The next prime is 34783691. The reversal of 34783690 is 9638743.

It can be written as a sum of positive squares in 4 ways, for example, as 5157441 + 29626249 = 2271^2 + 5443^2 .

It is a super-2 number, since 2×34783690² = 2419810180032200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (34783691) 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, 2427 + ... + 8686.

Almost surely, 2^34783690 is an apocalyptic number.

34783690 is a deficient number, since it is larger than the sum of its proper divisors (28032638).

34783690 is a wasteful number, since it uses less digits than its factorization.

34783690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 34783690 is about 5897.7699175197. The cubic root of 34783690 is about 326.4313671817.

The spelling of 34783690 in words is "thirty-four million, seven hundred eighty-three thousand, six hundred ninety".