72894282 has 16 divisors (see below), whose sum is σ = 146033760. Its totient is φ = 24257232.

The previous prime is 72894277. The next prime is 72894287. The reversal of 72894282 is 28249827.

It is an interprime number because it is at equal distance from previous prime (72894277) and next prime (72894287).

It is not an unprimeable number, because it can be changed into a prime (72894287) 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, 6232 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (9127110).

Almost surely, 2^72894282 is an apocalyptic number.

72894282 is an abundant number, since it is smaller than the sum of its proper divisors (73139478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72894282 is a wasteful number, since it uses less digits than its factorization.

72894282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20437.

The product of its digits is 129024, while the sum is 42.

The square root of 72894282 is about 8537.8148258205. The cubic root of 72894282 is about 417.7320726799.

The spelling of 72894282 in words is "seventy-two million, eight hundred ninety-four thousand, two hundred eighty-two".