68472545 has 8 divisors (see below), whose sum is σ = 82598400. Its totient is φ = 54490480.

The previous prime is 68472511. The next prime is 68472553. The reversal of 68472545 is 54527486.

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

It is not a de Polignac number, because 68472545 - 2²⁰ = 67423969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34895 + ... + 36804.

It is an arithmetic number, because the mean of its divisors is an integer number (10324800).

Almost surely, 2^68472545 is an apocalyptic number.

It is an amenable number.

68472545 is a deficient number, since it is larger than the sum of its proper divisors (14125855).

68472545 is a wasteful number, since it uses less digits than its factorization.

68472545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71895.

The product of its digits is 268800, while the sum is 41.

The square root of 68472545 is about 8274.8138951882. The cubic root of 68472545 is about 409.1088019035.

The spelling of 68472545 in words is "sixty-eight million, four hundred seventy-two thousand, five hundred forty-five".