72023069 has 2 divisors, whose sum is σ = 72023070. Its totient is φ = 72023068.

The previous prime is 72023023. The next prime is 72023071. The reversal of 72023069 is 96032027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62647225 + 9375844 = 7915^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 72023069 - 2²⁰ = 70974493 is a prime.

It is a super-2 number, since 2×72023069² = 10374644936357522, which contains 22 as substring.

Together with 72023071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72023009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36011534 + 36011535.

It is an arithmetic number, because the mean of its divisors is an integer number (36011535).

Almost surely, 2^72023069 is an apocalyptic number.

It is an amenable number.

72023069 is a deficient number, since it is larger than the sum of its proper divisors (1).

72023069 is an equidigital number, since it uses as much as digits as its factorization.

72023069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 72023069 is about 8486.6406192321. The cubic root of 72023069 is about 416.0611908416.

The spelling of 72023069 in words is "seventy-two million, twenty-three thousand, sixty-nine".