72437273427 has 8 divisors (see below), whose sum is σ = 97539299280. Its totient is φ = 47813381600.

The previous prime is 72437273417. The next prime is 72437273429.

72437273427 is nontrivially palindromic in base 10.

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 72437273427 - 2¹⁶ = 72437207891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72437273429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119533152 + ... + 119533757.

It is an arithmetic number, because the mean of its divisors is an integer number (12192412410).

Almost surely, 2^72437273427 is an apocalyptic number.

72437273427 is a deficient number, since it is larger than the sum of its proper divisors (25102025853).

72437273427 is a wasteful number, since it uses less digits than its factorization.

72437273427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239067013.

The product of its digits is 2765952, while the sum is 48.

The spelling of 72437273427 in words is "seventy-two billion, four hundred thirty-seven million, two hundred seventy-three thousand, four hundred twenty-seven".