72473330434 has 8 divisors (see below), whose sum is σ = 108778847760. Its totient is φ = 36213714516.

The previous prime is 72473330431. The next prime is 72473330453. The reversal of 72473330434 is 43403337427.

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

It is not an unprimeable number, because it can be changed into a prime (72473330431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11471404 + ... + 11477719.

It is an arithmetic number, because the mean of its divisors is an integer number (13597355970).

Almost surely, 2^72473330434 is an apocalyptic number.

72473330434 is a deficient number, since it is larger than the sum of its proper divisors (36305517326).

72473330434 is a wasteful number, since it uses less digits than its factorization.

72473330434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22950704.

The product of its (nonzero) digits is 508032, while the sum is 40.

The spelling of 72473330434 in words is "seventy-two billion, four hundred seventy-three million, three hundred thirty thousand, four hundred thirty-four".