34745891 has 4 divisors (see below), whose sum is σ = 34868952. Its totient is φ = 34622832.

The previous prime is 34745881. The next prime is 34745897. The reversal of 34745891 is 19854743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19854743 = 89 ⋅223087.

It is a cyclic number.

It is not a de Polignac number, because 34745891 - 2¹⁰ = 34744867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34745897) 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, 61106 + ... + 61671.

It is an arithmetic number, because the mean of its divisors is an integer number (8717238).

Almost surely, 2^34745891 is an apocalyptic number.

34745891 is a deficient number, since it is larger than the sum of its proper divisors (123061).

34745891 is a wasteful number, since it uses less digits than its factorization.

34745891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123060.

The product of its digits is 120960, while the sum is 41.

The square root of 34745891 is about 5894.5645301413. The cubic root of 34745891 is about 326.3130813662.

The spelling of 34745891 in words is "thirty-four million, seven hundred forty-five thousand, eight hundred ninety-one".