34672045 has 4 divisors (see below), whose sum is σ = 41606460. Its totient is φ = 27737632.

The previous prime is 34672009. The next prime is 34672049. The reversal of 34672045 is 54027643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54027643 = 349 ⋅154807.

It can be written as a sum of positive squares in 2 ways, for example, as 20967241 + 13704804 = 4579^2 + 3702^2 .

It is a cyclic number.

It is not a de Polignac number, because 34672045 - 2¹⁷ = 34540973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34671998 and 34672016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34672049) 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 3 ways as a sum of consecutive naturals, for example, 3467200 + ... + 3467209.

It is an arithmetic number, because the mean of its divisors is an integer number (10401615).

Almost surely, 2^34672045 is an apocalyptic number.

It is an amenable number.

34672045 is a deficient number, since it is larger than the sum of its proper divisors (6934415).

34672045 is an equidigital number, since it uses as much as digits as its factorization.

34672045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6934414.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 34672045 is about 5888.2972920871. The cubic root of 34672045 is about 326.0817445904.

Adding to 34672045 its reverse (54027643), we get a palindrome (88699688).

The spelling of 34672045 in words is "thirty-four million, six hundred seventy-two thousand, forty-five".