72266254771 has 8 divisors (see below), whose sum is σ = 79844046624. Its totient is φ = 65058111360.

The previous prime is 72266254769. The next prime is 72266254831. The reversal of 72266254771 is 17745266227.

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

It is a cyclic number.

It is not a de Polignac number, because 72266254771 - 2¹ = 72266254769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72266254721) 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 7 ways as a sum of consecutive naturals, for example, 92411700 + ... + 92412481.

It is an arithmetic number, because the mean of its divisors is an integer number (9980505828).

Almost surely, 2^72266254771 is an apocalyptic number.

72266254771 is a deficient number, since it is larger than the sum of its proper divisors (7577791853).

72266254771 is a wasteful number, since it uses less digits than its factorization.

72266254771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184824221.

The product of its digits is 1975680, while the sum is 49.

The spelling of 72266254771 in words is "seventy-two billion, two hundred sixty-six million, two hundred fifty-four thousand, seven hundred seventy-one".