34872545 has 4 divisors (see below), whose sum is σ = 41847060. Its totient is φ = 27898032.

The previous prime is 34872503. The next prime is 34872547. The reversal of 34872545 is 54527843.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23203489 + 11669056 = 4817^2 + 3416^2 .

It is a cyclic number.

It is not a de Polignac number, because 34872545 - 2¹⁶ = 34807009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34872499 and 34872508.

It is not an unprimeable number, because it can be changed into a prime (34872547) 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, 3487250 + ... + 3487259.

It is an arithmetic number, because the mean of its divisors is an integer number (10461765).

Almost surely, 2^34872545 is an apocalyptic number.

It is an amenable number.

34872545 is a deficient number, since it is larger than the sum of its proper divisors (6974515).

34872545 is an equidigital number, since it uses as much as digits as its factorization.

34872545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974514.

The product of its digits is 134400, while the sum is 38.

The square root of 34872545 is about 5905.2980449762. The cubic root of 34872545 is about 326.7090873459.

The spelling of 34872545 in words is "thirty-four million, eight hundred seventy-two thousand, five hundred forty-five".