72990230 has 8 divisors (see below), whose sum is σ = 131382432. Its totient is φ = 29196088.

The previous prime is 72990217. The next prime is 72990263. The reversal of 72990230 is 3209927.

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, 3649502 + ... + 3649521.

It is an arithmetic number, because the mean of its divisors is an integer number (16422804).

Almost surely, 2^72990230 is an apocalyptic number.

72990230 is a deficient number, since it is larger than the sum of its proper divisors (58392202).

72990230 is a wasteful number, since it uses less digits than its factorization.

72990230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7299030.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 72990230 is about 8543.4319801822. The cubic root of 72990230 is about 417.9152739917.

The spelling of 72990230 in words is "seventy-two million, nine hundred ninety thousand, two hundred thirty".