72333970 has 8 divisors (see below), whose sum is σ = 130201164. Its totient is φ = 28933584.

The previous prime is 72333907. The next prime is 72333977. The reversal of 72333970 is 7933327.

It can be written as a sum of positive squares in 2 ways, for example, as 71216721 + 1117249 = 8439^2 + 1057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72333977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616689 + ... + 3616708.

Almost surely, 2^72333970 is an apocalyptic number.

72333970 is a deficient number, since it is larger than the sum of its proper divisors (57867194).

72333970 is a wasteful number, since it uses less digits than its factorization.

72333970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233404.

The product of its (nonzero) digits is 23814, while the sum is 34.

The square root of 72333970 is about 8504.9379774341. The cubic root of 72333970 is about 416.6590000367.

The spelling of 72333970 in words is "seventy-two million, three hundred thirty-three thousand, nine hundred seventy".