72974203 has 2 divisors, whose sum is σ = 72974204. Its totient is φ = 72974202.

The previous prime is 72974201. The next prime is 72974243. The reversal of 72974203 is 30247927.

It is a weak prime.

It is an emirp because it is prime and its reverse (30247927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72974203 - 2¹ = 72974201 is a prime.

Together with 72974201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72974201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36487101 + 36487102.

It is an arithmetic number, because the mean of its divisors is an integer number (36487102).

Almost surely, 2^72974203 is an apocalyptic number.

72974203 is a deficient number, since it is larger than the sum of its proper divisors (1).

72974203 is an equidigital number, since it uses as much as digits as its factorization.

72974203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 72974203 is about 8542.4939566850. The cubic root of 72974203 is about 417.8846835122.

The spelling of 72974203 in words is "seventy-two million, nine hundred seventy-four thousand, two hundred three".