72890368 has 24 divisors (see below), whose sum is σ = 145749240. Its totient is φ = 36444160.

The previous prime is 72890357. The next prime is 72890399. The reversal of 72890368 is 86309827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15748 + ... + 19843.

It is an arithmetic number, because the mean of its divisors is an integer number (6072885).

Almost surely, 2^72890368 is an apocalyptic number.

It is an amenable number.

72890368 is a deficient number, since it is larger than the sum of its proper divisors (72858872).

72890368 is an equidigital number, since it uses as much as digits as its factorization.

72890368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35613 (or 35593 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 72890368 is about 8537.5856071843. The cubic root of 72890368 is about 417.7245959499.

The spelling of 72890368 in words is "seventy-two million, eight hundred ninety thousand, three hundred sixty-eight".