72841136 has 30 divisors (see below), whose sum is σ = 148960332. Its totient is φ = 34500960.

The previous prime is 72841037. The next prime is 72841151. The reversal of 72841136 is 63114827.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530 + ... + 12081.

Almost surely, 2^72841136 is an apocalyptic number.

72841136 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72841136 is an abundant number, since it is smaller than the sum of its proper divisors (76119196).

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

72841136 is a wasteful number, since it uses less digits than its factorization.

72841136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657 (or 12632 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 72841136 is about 8534.7018694270. The cubic root of 72841136 is about 417.6305275120.

The spelling of 72841136 in words is "seventy-two million, eight hundred forty-one thousand, one hundred thirty-six".