72294985 has 8 divisors (see below), whose sum is σ = 99147456. Its totient is φ = 49573680.

The previous prime is 72294983. The next prime is 72295031. The reversal of 72294985 is 58949227.

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

It is not a de Polignac number, because 72294985 - 2¹ = 72294983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72294983) 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 7 ways as a sum of consecutive naturals, for example, 1032751 + ... + 1032820.

It is an arithmetic number, because the mean of its divisors is an integer number (12393432).

Almost surely, 2^72294985 is an apocalyptic number.

It is an amenable number.

72294985 is a deficient number, since it is larger than the sum of its proper divisors (26852471).

72294985 is a wasteful number, since it uses less digits than its factorization.

72294985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065583.

The product of its digits is 362880, while the sum is 46.

The square root of 72294985 is about 8502.6457647017. The cubic root of 72294985 is about 416.5841326304.

It can be divided in two parts, 7229498 and 5, that added together give a triangular number (7229503 = T₃₈₀₂).

The spelling of 72294985 in words is "seventy-two million, two hundred ninety-four thousand, nine hundred eighty-five".