34722947 has 8 divisors (see below), whose sum is σ = 41052000. Its totient is φ = 28736064.

The previous prime is 34722923. The next prime is 34722953. The reversal of 34722947 is 74922743.

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

It is not a de Polignac number, because 34722947 - 2⁸ = 34722691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34722947.

It is not an unprimeable number, because it can be changed into a prime (34722917) 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, 85322 + ... + 85727.

It is an arithmetic number, because the mean of its divisors is an integer number (5131500).

Almost surely, 2^34722947 is an apocalyptic number.

34722947 is a deficient number, since it is larger than the sum of its proper divisors (6329053).

34722947 is a wasteful number, since it uses less digits than its factorization.

34722947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171085.

The product of its digits is 84672, while the sum is 38.

The square root of 34722947 is about 5892.6180090008. The cubic root of 34722947 is about 326.2412400089.

The spelling of 34722947 in words is "thirty-four million, seven hundred twenty-two thousand, nine hundred forty-seven".