72531969094 has 8 divisors (see below), whose sum is σ = 117167027040. Its totient is φ = 33476293416.

The previous prime is 72531969077. The next prime is 72531969119. The reversal of 72531969094 is 49096913527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394845534 + ... + 1394845585.

It is an arithmetic number, because the mean of its divisors is an integer number (14645878380).

Almost surely, 2^72531969094 is an apocalyptic number.

72531969094 is a deficient number, since it is larger than the sum of its proper divisors (44635057946).

72531969094 is a wasteful number, since it uses less digits than its factorization.

72531969094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789691134.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 72531969094 in words is "seventy-two billion, five hundred thirty-one million, nine hundred sixty-nine thousand, ninety-four".