72334045 has 48 divisors (see below), whose sum is σ = 109166400. Its totient is φ = 45722880.

The previous prime is 72334037. The next prime is 72334049. The reversal of 72334045 is 54043327.

It is not a de Polignac number, because 72334045 - 2³ = 72334037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72334049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190666 + ... + 191044.

It is an arithmetic number, because the mean of its divisors is an integer number (2274300).

Almost surely, 2^72334045 is an apocalyptic number.

It is an amenable number.

72334045 is a deficient number, since it is larger than the sum of its proper divisors (36832355).

72334045 is a wasteful number, since it uses less digits than its factorization.

72334045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 72334045 is about 8504.9423866361. The cubic root of 72334045 is about 416.6591440420.

The spelling of 72334045 in words is "seventy-two million, three hundred thirty-four thousand, forty-five".