72846396 has 72 divisors (see below), whose sum is σ = 211236480. Its totient is φ = 20735136.

The previous prime is 72846391. The next prime is 72846401. The reversal of 72846396 is 69364827.

72846396 is a `hidden beast` number, since 7 + 2 + 8 + 4 + 639 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (72846391) and next prime (72846401).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72846391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117375 + ... + 117993.

It is an arithmetic number, because the mean of its divisors is an integer number (2933840).

Almost surely, 2^72846396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72846396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105618240).

72846396 is an abundant number, since it is smaller than the sum of its proper divisors (138390084).

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

72846396 is a wasteful number, since it uses less digits than its factorization.

72846396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 1098 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 72846396 is about 8535.0100175688. The cubic root of 72846396 is about 417.6405799074.

The spelling of 72846396 in words is "seventy-two million, eight hundred forty-six thousand, three hundred ninety-six".