72932806 has 4 divisors (see below), whose sum is σ = 109399212. Its totient is φ = 36466402.

The previous prime is 72932803. The next prime is 72932851. The reversal of 72932806 is 60823927.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72932803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18233200 + ... + 18233203.

It is an arithmetic number, because the mean of its divisors is an integer number (27349803).

Almost surely, 2^72932806 is an apocalyptic number.

72932806 is a deficient number, since it is larger than the sum of its proper divisors (36466406).

72932806 is a wasteful number, since it uses less digits than its factorization.

72932806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36466405.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 72932806 is about 8540.0706086074. The cubic root of 72932806 is about 417.8056489871.

The spelling of 72932806 in words is "seventy-two million, nine hundred thirty-two thousand, eight hundred six".