72253234371 has 16 divisors (see below), whose sum is σ = 101782269440. Its totient is φ = 45465222240.

The previous prime is 72253234367. The next prime is 72253234381. The reversal of 72253234371 is 17343235227.

It is not a de Polignac number, because 72253234371 - 2² = 72253234367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72253234351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323300 + ... + 2354193.

It is an arithmetic number, because the mean of its divisors is an integer number (6361391840).

Almost surely, 2^72253234371 is an apocalyptic number.

72253234371 is a deficient number, since it is larger than the sum of its proper divisors (29529035069).

72253234371 is a wasteful number, since it uses less digits than its factorization.

72253234371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677786.

The product of its digits is 211680, while the sum is 39.

Adding to 72253234371 its reverse (17343235227), we get a palindrome (89596469598).

The spelling of 72253234371 in words is "seventy-two billion, two hundred fifty-three million, two hundred thirty-four thousand, three hundred seventy-one".