72789148 has 6 divisors (see below), whose sum is σ = 127381016. Its totient is φ = 36394572.

The previous prime is 72789131. The next prime is 72789151. The reversal of 72789148 is 84198727.

It is a junction number, because it is equal to n+sod(n) for n = 72789098 and 72789107.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9098640 + ... + 9098647.

Almost surely, 2^72789148 is an apocalyptic number.

It is an amenable number.

72789148 is a deficient number, since it is larger than the sum of its proper divisors (54591868).

72789148 is a wasteful number, since it uses less digits than its factorization.

72789148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18197291 (or 18197289 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 72789148 is about 8531.6556423709. The cubic root of 72789148 is about 417.5311471139.

The spelling of 72789148 in words is "seventy-two million, seven hundred eighty-nine thousand, one hundred forty-eight".