72370423 has 2 divisors, whose sum is σ = 72370424. Its totient is φ = 72370422.

The previous prime is 72370421. The next prime is 72370433. The reversal of 72370423 is 32407327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72370423 - 2¹ = 72370421 is a prime.

Together with 72370421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 72370391 and 72370400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72370421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36185211 + 36185212.

It is an arithmetic number, because the mean of its divisors is an integer number (36185212).

Almost surely, 2^72370423 is an apocalyptic number.

72370423 is a deficient number, since it is larger than the sum of its proper divisors (1).

72370423 is an equidigital number, since it uses as much as digits as its factorization.

72370423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 72370423 is about 8507.0807566403. The cubic root of 72370423 is about 416.7289806180.

The spelling of 72370423 in words is "seventy-two million, three hundred seventy thousand, four hundred twenty-three".