34731091 has 4 divisors (see below), whose sum is σ = 34856752. Its totient is φ = 34605432.

The previous prime is 34731083. The next prime is 34731131. The reversal of 34731091 is 19013743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19013743 = 7 ⋅2716249.

It is a cyclic number.

It is not a de Polignac number, because 34731091 - 2³ = 34731083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34731001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62415 + ... + 62968.

It is an arithmetic number, because the mean of its divisors is an integer number (8714188).

Almost surely, 2^34731091 is an apocalyptic number.

34731091 is a deficient number, since it is larger than the sum of its proper divisors (125661).

34731091 is a wasteful number, since it uses less digits than its factorization.

34731091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125660.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 34731091 is about 5893.3090025893. The cubic root of 34731091 is about 326.2667438058.

The spelling of 34731091 in words is "thirty-four million, seven hundred thirty-one thousand, ninety-one".