72473877837427 has 32 divisors (see below), whose sum is σ = 79742554214400. Its totient is φ = 65320390656000.

The previous prime is 72473877837419. The next prime is 72473877837521.

72473877837427 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72473877837427 - 2³ = 72473877837419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72473877832427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2001525099 + ... + 2001561307.

It is an arithmetic number, because the mean of its divisors is an integer number (2491954819200).

Almost surely, 2^{72473877837427} is an apocalyptic number.

72473877837427 is a deficient number, since it is larger than the sum of its proper divisors (7268676376973).

72473877837427 is a wasteful number, since it uses less digits than its factorization.

72473877837427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38707.

The product of its digits is 4337012736, while the sum is 76.

The spelling of 72473877837427 in words is "seventy-two trillion, four hundred seventy-three billion, eight hundred seventy-seven million, eight hundred thirty-seven thousand, four hundred twenty-seven".