34540447 has 4 divisors (see below), whose sum is σ = 36572256. Its totient is φ = 32508640.

The previous prime is 34540427. The next prime is 34540463. The reversal of 34540447 is 74404543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34540447 - 2¹⁵ = 34507679 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34540427) 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, 1015879 + ... + 1015912.

It is an arithmetic number, because the mean of its divisors is an integer number (9143064).

Almost surely, 2^34540447 is an apocalyptic number.

34540447 is a deficient number, since it is larger than the sum of its proper divisors (2031809).

34540447 is a wasteful number, since it uses less digits than its factorization.

34540447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031808.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 34540447 is about 5877.1121309704. The cubic root of 34540447 is about 325.6686729958.

The spelling of 34540447 in words is "thirty-four million, five hundred forty thousand, four hundred forty-seven".