34638745 has 8 divisors (see below), whose sum is σ = 41636160. Its totient is φ = 27664560.

The previous prime is 34638743. The next prime is 34638757. The reversal of 34638745 is 54783643.

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

It is not a de Polignac number, because 34638745 - 2¹ = 34638743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34638698 and 34638707.

It is not an unprimeable number, because it can be changed into a prime (34638743) 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, 2335 + ... + 8644.

It is an arithmetic number, because the mean of its divisors is an integer number (5204520).

Almost surely, 2^34638745 is an apocalyptic number.

It is an amenable number.

34638745 is a deficient number, since it is larger than the sum of its proper divisors (6997415).

34638745 is a wasteful number, since it uses less digits than its factorization.

34638745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11615.

The product of its digits is 241920, while the sum is 40.

The square root of 34638745 is about 5885.4689702691. The cubic root of 34638745 is about 325.9773184817.

The spelling of 34638745 in words is "thirty-four million, six hundred thirty-eight thousand, seven hundred forty-five".