72458949124 has 9 divisors (see below), whose sum is σ = 126804103111. Its totient is φ = 36229205380.

The previous prime is 72458949107. The next prime is 72458949169. The reversal of 72458949124 is 42194985427.

The square root of 72458949124 is 269182.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 471069 + ... + 605659.

Almost surely, 2^72458949124 is an apocalyptic number.

72458949124 is the 269182-nd square number.

It is an amenable number.

72458949124 is a deficient number, since it is larger than the sum of its proper divisors (54345153987).

72458949124 is an frugal number, since it uses more digits than its factorization.

72458949124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269186 (or 134593 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 72458949124 in words is "seventy-two billion, four hundred fifty-eight million, nine hundred forty-nine thousand, one hundred twenty-four".