67023493 has 2 divisors, whose sum is σ = 67023494. Its totient is φ = 67023492.

The previous prime is 67023443. The next prime is 67023511. The reversal of 67023493 is 39432076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48205249 + 18818244 = 6943^2 + 4338^2 .

It is a cyclic number.

It is not a de Polignac number, because 67023493 - 2²¹ = 64926341 is a prime.

It is a super-2 number, since 2×67023493² = 8984297227842098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67023443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33511746 + 33511747.

It is an arithmetic number, because the mean of its divisors is an integer number (33511747).

Almost surely, 2^67023493 is an apocalyptic number.

It is an amenable number.

67023493 is a deficient number, since it is larger than the sum of its proper divisors (1).

67023493 is an equidigital number, since it uses as much as digits as its factorization.

67023493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 67023493 is about 8186.7877094743. The cubic root of 67023493 is about 406.2022761138.

The spelling of 67023493 in words is "sixty-seven million, twenty-three thousand, four hundred ninety-three".