72734622454 has 16 divisors (see below), whose sum is σ = 117549052992. Its totient is φ = 33554207808.

The previous prime is 72734622431. The next prime is 72734622463. The reversal of 72734622454 is 45422643727.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 593694 + ... + 705649.

It is an arithmetic number, because the mean of its divisors is an integer number (7346815812).

Almost surely, 2^72734622454 is an apocalyptic number.

72734622454 is a deficient number, since it is larger than the sum of its proper divisors (44814430538).

72734622454 is a wasteful number, since it uses less digits than its factorization.

72734622454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301511.

The product of its digits is 2257920, while the sum is 46.

The spelling of 72734622454 in words is "seventy-two billion, seven hundred thirty-four million, six hundred twenty-two thousand, four hundred fifty-four".