34521979 has 8 divisors (see below), whose sum is σ = 34875360. Its totient is φ = 34170816.

The previous prime is 34521967. The next prime is 34521983. The reversal of 34521979 is 97912543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34521979 - 2⁵ = 34521947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34527979) 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, 53034 + ... + 53680.

It is an arithmetic number, because the mean of its divisors is an integer number (4359420).

Almost surely, 2^34521979 is an apocalyptic number.

34521979 is a deficient number, since it is larger than the sum of its proper divisors (353381).

34521979 is a wasteful number, since it uses less digits than its factorization.

34521979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its digits is 68040, while the sum is 40.

The square root of 34521979 is about 5875.5407410723. The cubic root of 34521979 is about 325.6106200769.

The spelling of 34521979 in words is "thirty-four million, five hundred twenty-one thousand, nine hundred seventy-nine".