72133893462 has 16 divisors (see below), whose sum is σ = 144479021760. Its totient is φ = 24009425352.

The previous prime is 72133893427. The next prime is 72133893463. The reversal of 72133893462 is 26439833127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72133893463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8797012 + ... + 8805207.

It is an arithmetic number, because the mean of its divisors is an integer number (9029938860).

Almost surely, 2^72133893462 is an apocalyptic number.

72133893462 is an abundant number, since it is smaller than the sum of its proper divisors (72345128298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72133893462 is a wasteful number, since it uses less digits than its factorization.

72133893462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17602907.

The product of its digits is 1306368, while the sum is 48.

The spelling of 72133893462 in words is "seventy-two billion, one hundred thirty-three million, eight hundred ninety-three thousand, four hundred sixty-two".