72889030 has 16 divisors (see below), whose sum is σ = 138918240. Its totient is φ = 27440512.

The previous prime is 72889007. The next prime is 72889031. The reversal of 72889030 is 3098827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72889031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214210 + ... + 214549.

It is an arithmetic number, because the mean of its divisors is an integer number (8682390).

Almost surely, 2^72889030 is an apocalyptic number.

72889030 is a deficient number, since it is larger than the sum of its proper divisors (66029210).

72889030 is a wasteful number, since it uses less digits than its factorization.

72889030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428783.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 72889030 is about 8537.5072474347. The cubic root of 72889030 is about 417.7220399701.

The spelling of 72889030 in words is "seventy-two million, eight hundred eighty-nine thousand, thirty".