34721975 has 12 divisors (see below), whose sum is σ = 43170600. Its totient is φ = 27703200.

The previous prime is 34721933. The next prime is 34721977. The reversal of 34721975 is 57912743.

It is not a de Polignac number, because 34721975 - 2²⁰ = 33673399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34721977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8876 + ... + 12174.

It is an arithmetic number, because the mean of its divisors is an integer number (3597550).

Almost surely, 2^34721975 is an apocalyptic number.

34721975 is a deficient number, since it is larger than the sum of its proper divisors (8448625).

34721975 is a wasteful number, since it uses less digits than its factorization.

34721975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3725 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 34721975 is about 5892.5355323494. The cubic root of 34721975 is about 326.2381958217.

It can be divided in two parts, 347 and 21975, that added together give a palindrome (22322).

The spelling of 34721975 in words is "thirty-four million, seven hundred twenty-one thousand, nine hundred seventy-five".