72432404806 has 4 divisors (see below), whose sum is σ = 108648607212. Its totient is φ = 36216202402.

The previous prime is 72432404801. The next prime is 72432404813. The reversal of 72432404806 is 60840423427.

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 (72432404801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18108101200 + ... + 18108101203.

It is an arithmetic number, because the mean of its divisors is an integer number (27162151803).

Almost surely, 2^72432404806 is an apocalyptic number.

72432404806 is a deficient number, since it is larger than the sum of its proper divisors (36216202406).

72432404806 is a wasteful number, since it uses less digits than its factorization.

72432404806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36216202405.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 72432404806 in words is "seventy-two billion, four hundred thirty-two million, four hundred four thousand, eight hundred six".