72414845 has 4 divisors (see below), whose sum is σ = 86897820. Its totient is φ = 57931872.

The previous prime is 72414841. The next prime is 72414847. The reversal of 72414845 is 54841427.

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 24334489 + 48080356 = 4933^2 + 6934^2 .

It is a cyclic number.

It is not a de Polignac number, because 72414845 - 2² = 72414841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72414841) 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, 7241480 + ... + 7241489.

It is an arithmetic number, because the mean of its divisors is an integer number (21724455).

Almost surely, 2^72414845 is an apocalyptic number.

It is an amenable number.

72414845 is a deficient number, since it is larger than the sum of its proper divisors (14482975).

72414845 is a wasteful number, since it uses less digits than its factorization.

72414845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14482974.

The product of its digits is 35840, while the sum is 35.

The square root of 72414845 is about 8509.6912399922. The cubic root of 72414845 is about 416.8142279132.

The spelling of 72414845 in words is "seventy-two million, four hundred fourteen thousand, eight hundred forty-five".