72890203 has 8 divisors (see below), whose sum is σ = 78973488. Its totient is φ = 67006464.

The previous prime is 72890201. The next prime is 72890221. The reversal of 72890203 is 30209827.

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

It is a cyclic number.

It is not a de Polignac number, because 72890203 - 2¹ = 72890201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72890201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49126 + ... + 50587.

It is an arithmetic number, because the mean of its divisors is an integer number (9871686).

Almost surely, 2^72890203 is an apocalyptic number.

72890203 is a deficient number, since it is larger than the sum of its proper divisors (6083285).

72890203 is a wasteful number, since it uses less digits than its factorization.

72890203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99773.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 72890203 is about 8537.5759440253. The cubic root of 72890203 is about 417.7242807523.

The spelling of 72890203 in words is "seventy-two million, eight hundred ninety thousand, two hundred three".