34742830 has 16 divisors (see below), whose sum is σ = 65828880. Its totient is φ = 13165632.

The previous prime is 34742819. The next prime is 34742831. The reversal of 34742830 is 3824743.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34742792 and 34742801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34742831) 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, 91239 + ... + 91618.

It is an arithmetic number, because the mean of its divisors is an integer number (4114305).

Almost surely, 2^34742830 is an apocalyptic number.

34742830 is a deficient number, since it is larger than the sum of its proper divisors (31086050).

34742830 is a wasteful number, since it uses less digits than its factorization.

34742830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182883.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 34742830 is about 5894.3048784399. The cubic root of 34742830 is about 326.3034987110.

The spelling of 34742830 in words is "thirty-four million, seven hundred forty-two thousand, eight hundred thirty".