72669885 has 8 divisors (see below), whose sum is σ = 116271840. Its totient is φ = 38757264.

The previous prime is 72669841. The next prime is 72669901. The reversal of 72669885 is 58896627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72669885 - 2⁷ = 72669757 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422315 + ... + 2422344.

It is an arithmetic number, because the mean of its divisors is an integer number (14533980).

Almost surely, 2^72669885 is an apocalyptic number.

It is an amenable number.

72669885 is a deficient number, since it is larger than the sum of its proper divisors (43601955).

72669885 is a wasteful number, since it uses less digits than its factorization.

72669885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844667.

The product of its digits is 1451520, while the sum is 51.

The square root of 72669885 is about 8524.6633364609. The cubic root of 72669885 is about 417.3029847215.

The spelling of 72669885 in words is "seventy-two million, six hundred sixty-nine thousand, eight hundred eighty-five".