34756921 has 4 divisors (see below), whose sum is σ = 35878144. Its totient is φ = 33635700.

The previous prime is 34756913. The next prime is 34756951. The reversal of 34756921 is 12965743.

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.

It is a cyclic number.

It is not a de Polignac number, because 34756921 - 2³ = 34756913 is a prime.

It is the 5896-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34756901) by changing a digit.

It is a nontrivial repunit in base 5895.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560565 + ... + 560626.

It is an arithmetic number, because the mean of its divisors is an integer number (8969536).

Almost surely, 2^34756921 is an apocalyptic number.

34756921 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34756921 is a deficient number, since it is larger than the sum of its proper divisors (1121223).

34756921 is a wasteful number, since it uses less digits than its factorization.

34756921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121222.

The product of its digits is 45360, while the sum is 37.

The square root of 34756921 is about 5895.5000636078. The cubic root of 34756921 is about 326.3476068155.

The spelling of 34756921 in words is "thirty-four million, seven hundred fifty-six thousand, nine hundred twenty-one".