72350892 has 18 divisors (see below), whose sum is σ = 182887068. Its totient is φ = 24116952.

The previous prime is 72350891. The next prime is 72350899. The reversal of 72350892 is 29805327.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2009747 = 72350892 / (7 + 2 + 3 + 5 + 0 + 8 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (72350891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1004838 + ... + 1004909.

Almost surely, 2^72350892 is an apocalyptic number.

It is an amenable number.

72350892 is an abundant number, since it is smaller than the sum of its proper divisors (110536176).

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

72350892 is a wasteful number, since it uses less digits than its factorization.

72350892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009757 (or 2009752 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 72350892 is about 8505.9327530848. The cubic root of 72350892 is about 416.6914889390.

It can be divided in two parts, 723 and 50892, that added together give a palindrome (51615).

The spelling of 72350892 in words is "seventy-two million, three hundred fifty thousand, eight hundred ninety-two".