72023914328547 has 54 divisors (see below), whose sum is σ = 97930364072268. Its totient is φ = 47085050812800.

The previous prime is 72023914328537. The next prime is 72023914328581. The reversal of 72023914328547 is 74582341932027.

It is a happy number.

It is not a de Polignac number, because 72023914328547 - 2¹¹ = 72023914326499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72023914328537) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 217594907172 + ... + 217594907502.

Almost surely, 2^{72023914328547} is an apocalyptic number.

72023914328547 is a deficient number, since it is larger than the sum of its proper divisors (25906449743721).

72023914328547 is an frugal number, since it uses more digits than its factorization.

72023914328547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 72023914328547 in words is "seventy-two trillion, twenty-three billion, nine hundred fourteen million, three hundred twenty-eight thousand, five hundred forty-seven".