34460721 has 10 divisors (see below), whose sum is σ = 51478482. Its totient is φ = 22973760.

The previous prime is 34460707. The next prime is 34460749. The reversal of 34460721 is 12706443.

34460721 is a `hidden beast` number, since 34 + 4 + 607 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28772496 + 5688225 = 5364^2 + 2385^2 .

It is not a de Polignac number, because 34460721 - 2¹⁴ = 34444337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34460221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 212640 + ... + 212801.

Almost surely, 2^34460721 is an apocalyptic number.

It is an amenable number.

34460721 is a deficient number, since it is larger than the sum of its proper divisors (17017761).

34460721 is an equidigital number, since it uses as much as digits as its factorization.

34460721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425453 (or 425444 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 34460721 is about 5870.3254594613. The cubic root of 34460721 is about 325.4179113007.

The spelling of 34460721 in words is "thirty-four million, four hundred sixty thousand, seven hundred twenty-one".