72708053167 has 4 divisors (see below), whose sum is σ = 72708741976. Its totient is φ = 72707364360.

The previous prime is 72708053153. The next prime is 72708053207. The reversal of 72708053167 is 76135080727.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 76135080727 = 197 ⋅386472491.

It is a cyclic number.

It is not a de Polignac number, because 72708053167 - 2¹⁹ = 72707528879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72708050167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149184 + ... + 409477.

It is an arithmetic number, because the mean of its divisors is an integer number (18177185494).

Almost surely, 2^72708053167 is an apocalyptic number.

72708053167 is a deficient number, since it is larger than the sum of its proper divisors (688809).

72708053167 is a wasteful number, since it uses less digits than its factorization.

72708053167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688808.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 72708053167 in words is "seventy-two billion, seven hundred eight million, fifty-three thousand, one hundred sixty-seven".