72843652 has 24 divisors (see below), whose sum is σ = 147329280. Its totient is φ = 30866880.

The previous prime is 72843649. The next prime is 72843671. The reversal of 72843652 is 25634827.

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, 12124 + ... + 17107.

It is an arithmetic number, because the mean of its divisors is an integer number (6138720).

Almost surely, 2^72843652 is an apocalyptic number.

It is an amenable number.

72843652 is an abundant number, since it is smaller than the sum of its proper divisors (74485628).

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

72843652 is a wasteful number, since it uses less digits than its factorization.

72843652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29331 (or 29329 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 72843652 is about 8534.8492663901. The cubic root of 72843652 is about 417.6353359044.

The spelling of 72843652 in words is "seventy-two million, eight hundred forty-three thousand, six hundred fifty-two".