72023071 has 2 divisors, whose sum is σ = 72023072. Its totient is φ = 72023070.

The previous prime is 72023069. The next prime is 72023093. The reversal of 72023071 is 17032027.

It is an a-pointer prime, because the next prime (72023093) can be obtained adding 72023071 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72023071 - 2¹ = 72023069 is a prime.

Together with 72023069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72023671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36011535 + 36011536.

It is an arithmetic number, because the mean of its divisors is an integer number (36011536).

Almost surely, 2^72023071 is an apocalyptic number.

72023071 is a deficient number, since it is larger than the sum of its proper divisors (1).

72023071 is an equidigital number, since it uses as much as digits as its factorization.

72023071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 72023071 is about 8486.6407370643. The cubic root of 72023071 is about 416.0611946928.

Adding to 72023071 its reverse (17032027), we get a palindrome (89055098).

The spelling of 72023071 in words is "seventy-two million, twenty-three thousand, seventy-one".