72274454335764 has 36 divisors (see below), whose sum is σ = 182695730738976. Its totient is φ = 24091224844368.

The previous prime is 72274454335753. The next prime is 72274454335777. The reversal of 72274454335764 is 46753345447227.

72274454335764 is a `hidden beast` number, since 7 + 2 + 2 + 7 + 4 + 4 + 54 + 3 + 3 + 576 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7433064 + ... + 14135039.

It is an arithmetic number, because the mean of its divisors is an integer number (5074881409416).

Almost surely, 2^{72274454335764} is an apocalyptic number.

It is an amenable number.

72274454335764 is an abundant number, since it is smaller than the sum of its proper divisors (110421276403212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72274454335764 is a wasteful number, since it uses less digits than its factorization.

72274454335764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661196 (or 21661191 counting only the distinct ones).

The product of its digits is 474163200, while the sum is 63.

The spelling of 72274454335764 in words is "seventy-two trillion, two hundred seventy-four billion, four hundred fifty-four million, three hundred thirty-five thousand, seven hundred sixty-four".