34780881 has 4 divisors (see below), whose sum is σ = 46374512. Its totient is φ = 23187252.

The previous prime is 34780871. The next prime is 34780883. The reversal of 34780881 is 18808743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18808743 = 3 ⋅6269581.

It is not a de Polignac number, because 34780881 - 2⁶ = 34780817 is a prime.

It is a super-2 number, since 2×34780881² = 2419419366272322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34780883) 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, 5796811 + ... + 5796816.

It is an arithmetic number, because the mean of its divisors is an integer number (11593628).

Almost surely, 2^34780881 is an apocalyptic number.

It is an amenable number.

34780881 is a deficient number, since it is larger than the sum of its proper divisors (11593631).

34780881 is a wasteful number, since it uses less digits than its factorization.

34780881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11593630.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 34780881 is about 5897.5317718517. The cubic root of 34780881 is about 326.4225798219.

The spelling of 34780881 in words is "thirty-four million, seven hundred eighty thousand, eight hundred eighty-one".