72457152147 has 24 divisors (see below), whose sum is σ = 104935494144. Its totient is φ = 48177917424.

The previous prime is 72457152121. The next prime is 72457152151. The reversal of 72457152147 is 74125175427.

It is a happy number.

72457152147 is a `hidden beast` number, since 7 + 2 + 457 + 1 + 52 + 147 = 666.

It is not a de Polignac number, because 72457152147 - 2¹⁴ = 72457135763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72457152347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7000258 + ... + 7010600.

It is an arithmetic number, because the mean of its divisors is an integer number (4372312256).

Almost surely, 2^72457152147 is an apocalyptic number.

72457152147 is a deficient number, since it is larger than the sum of its proper divisors (32478341997).

72457152147 is a wasteful number, since it uses less digits than its factorization.

72457152147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319 (or 12316 counting only the distinct ones).

The product of its digits is 548800, while the sum is 45.

The spelling of 72457152147 in words is "seventy-two billion, four hundred fifty-seven million, one hundred fifty-two thousand, one hundred forty-seven".