72473665151 has 16 divisors (see below), whose sum is σ = 77054864640. Its totient is φ = 67969601280.

The previous prime is 72473665081. The next prime is 72473665153. The reversal of 72473665151 is 15156637427.

It is a cyclic number.

It is not a de Polignac number, because 72473665151 - 2¹⁰ = 72473664127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72473665096 and 72473665105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72473665153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9238991 + ... + 9246831.

It is an arithmetic number, because the mean of its divisors is an integer number (4815929040).

Almost surely, 2^72473665151 is an apocalyptic number.

72473665151 is a deficient number, since it is larger than the sum of its proper divisors (4581199489).

72473665151 is a wasteful number, since it uses less digits than its factorization.

72473665151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686.

The product of its digits is 1058400, while the sum is 47.

The spelling of 72473665151 in words is "seventy-two billion, four hundred seventy-three million, six hundred sixty-five thousand, one hundred fifty-one".