72232793728437 has 16 divisors (see below), whose sum is σ = 96389446944960. Its totient is φ = 48115680250752.

The previous prime is 72232793728423. The next prime is 72232793728489. The reversal of 72232793728437 is 73482739723227.

It is not a de Polignac number, because 72232793728437 - 2⁶ = 72232793728373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72232798728437) 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, 22452193 + ... + 25466969.

It is an arithmetic number, because the mean of its divisors is an integer number (6024340434060).

Almost surely, 2^{72232793728437} is an apocalyptic number.

It is an amenable number.

72232793728437 is a deficient number, since it is larger than the sum of its proper divisors (24156653216523).

72232793728437 is a wasteful number, since it uses less digits than its factorization.

72232793728437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021332.

The product of its digits is 298722816, while the sum is 66.

The spelling of 72232793728437 in words is "seventy-two trillion, two hundred thirty-two billion, seven hundred ninety-three million, seven hundred twenty-eight thousand, four hundred thirty-seven".