72308486 has 8 divisors (see below), whose sum is σ = 108652440. Its totient is φ = 36091008.

The previous prime is 72308473. The next prime is 72308501. The reversal of 72308486 is 68480327.

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

It is a super-2 number, since 2×72308486² = 10457034295224392, which contains 22 as substring.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 30176 + ... + 32483.

It is an arithmetic number, because the mean of its divisors is an integer number (13581555).

Almost surely, 2^72308486 is an apocalyptic number.

72308486 is a deficient number, since it is larger than the sum of its proper divisors (36343954).

72308486 is a wasteful number, since it uses less digits than its factorization.

72308486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63238.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 72308486 is about 8503.4396569859. The cubic root of 72308486 is about 416.6100632086.

The spelling of 72308486 in words is "seventy-two million, three hundred eight thousand, four hundred eighty-six".