72663086 has 8 divisors (see below), whose sum is σ = 109097280. Its totient is φ = 36297328.

The previous prime is 72663061. The next prime is 72663089. The reversal of 72663086 is 68036627.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72663089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14366 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (13637160).

Almost surely, 2^72663086 is an apocalyptic number.

72663086 is a deficient number, since it is larger than the sum of its proper divisors (36434194).

72663086 is a wasteful number, since it uses less digits than its factorization.

72663086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34218.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 72663086 is about 8524.2645430559. The cubic root of 72663086 is about 417.2899700159.

The spelling of 72663086 in words is "seventy-two million, six hundred sixty-three thousand, eighty-six".