72133256743801 has 16 divisors (see below), whose sum is σ = 78772844072448. Its totient is φ = 65507343580800.

The previous prime is 72133256743787. The next prime is 72133256743841. The reversal of 72133256743801 is 10834765233127.

It is not a de Polignac number, because 72133256743801 - 2¹⁹ = 72133256219513 is a prime.

It is a super-2 number, since 2×72133256743801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72133256743841) 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, 393140055 + ... + 393323491.

It is an arithmetic number, because the mean of its divisors is an integer number (4923302754528).

Almost surely, 2^{72133256743801} is an apocalyptic number.

It is an amenable number.

72133256743801 is a deficient number, since it is larger than the sum of its proper divisors (6639587328647).

72133256743801 is a wasteful number, since it uses less digits than its factorization.

72133256743801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220512.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 72133256743801 in words is "seventy-two trillion, one hundred thirty-three billion, two hundred fifty-six million, seven hundred forty-three thousand, eight hundred one".