72466847 has 4 divisors (see below), whose sum is σ = 73834200. Its totient is φ = 71099496.

The previous prime is 72466843. The next prime is 72466873. The reversal of 72466847 is 74866427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72466847 - 2² = 72466843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72466798 and 72466807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72466843) by changing a digit.

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, 683597 + ... + 683702.

It is an arithmetic number, because the mean of its divisors is an integer number (18458550).

Almost surely, 2^72466847 is an apocalyptic number.

72466847 is a deficient number, since it is larger than the sum of its proper divisors (1367353).

72466847 is a wasteful number, since it uses less digits than its factorization.

72466847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367352.

The product of its digits is 451584, while the sum is 44.

The square root of 72466847 is about 8512.7461491577. The cubic root of 72466847 is about 416.9139771987.

The spelling of 72466847 in words is "seventy-two million, four hundred sixty-six thousand, eight hundred forty-seven".