34572073 has 4 divisors (see below), whose sum is σ = 34988688. Its totient is φ = 34155460.

The previous prime is 34572049. The next prime is 34572091. The reversal of 34572073 is 37027543.

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 a de Polignac number, because none of the positive numbers 2^k-34572073 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34572973) 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, 208183 + ... + 208348.

It is an arithmetic number, because the mean of its divisors is an integer number (8747172).

Almost surely, 2^34572073 is an apocalyptic number.

It is an amenable number.

34572073 is a deficient number, since it is larger than the sum of its proper divisors (416615).

34572073 is an equidigital number, since it uses as much as digits as its factorization.

34572073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416614.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 34572073 is about 5879.8021225208. The cubic root of 34572073 is about 325.7680391634.

The spelling of 34572073 in words is "thirty-four million, five hundred seventy-two thousand, seventy-three".