34725665 has 8 divisors (see below), whose sum is σ = 44876328. Its totient is φ = 25643520.

The previous prime is 34725661. The next prime is 34725667. The reversal of 34725665 is 56652743.

It can be written as a sum of positive squares in 4 ways, for example, as 4177936 + 30547729 = 2044^2 + 5527^2 .

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

It is not a de Polignac number, because 34725665 - 2² = 34725661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34725661) 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, 267056 + ... + 267185.

It is an arithmetic number, because the mean of its divisors is an integer number (5609541).

Almost surely, 2^34725665 is an apocalyptic number.

It is an amenable number.

34725665 is a deficient number, since it is larger than the sum of its proper divisors (10150663).

34725665 is a wasteful number, since it uses less digits than its factorization.

34725665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534259.

The product of its digits is 151200, while the sum is 38.

The square root of 34725665 is about 5892.8486320285. The cubic root of 34725665 is about 326.2497521565.

The spelling of 34725665 in words is "thirty-four million, seven hundred twenty-five thousand, six hundred sixty-five".