72881148 has 24 divisors (see below), whose sum is σ = 173266128. Its totient is φ = 23835136.

The previous prime is 72881143. The next prime is 72881167. The reversal of 72881148 is 84118827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72881141) 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 7 ways as a sum of consecutive naturals, for example, 56661 + ... + 57932.

It is an arithmetic number, because the mean of its divisors is an integer number (7219422).

Almost surely, 2^72881148 is an apocalyptic number.

It is an amenable number.

72881148 is an abundant number, since it is smaller than the sum of its proper divisors (100384980).

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

72881148 is a wasteful number, since it uses less digits than its factorization.

72881148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114653 (or 114651 counting only the distinct ones).

The product of its digits is 28672, while the sum is 39.

The square root of 72881148 is about 8537.0456248049. The cubic root of 72881148 is about 417.7069823599.

The spelling of 72881148 in words is "seventy-two million, eight hundred eighty-one thousand, one hundred forty-eight".