72829768 has 64 divisors (see below), whose sum is σ = 159796800. Its totient is φ = 30750720.

The previous prime is 72829763. The next prime is 72829769. The reversal of 72829768 is 86792827.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (72829763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132871 + ... + 133417.

It is an arithmetic number, because the mean of its divisors is an integer number (2496825).

Almost surely, 2^72829768 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 72829768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79898400).

72829768 is an abundant number, since it is smaller than the sum of its proper divisors (86967032).

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

72829768 is a wasteful number, since it uses less digits than its factorization.

72829768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 666 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 72829768 is about 8534.0358564984. The cubic root of 72829768 is about 417.6088004536.

The spelling of 72829768 in words is "seventy-two million, eight hundred twenty-nine thousand, seven hundred sixty-eight".