264070073 has 4 divisors (see below), whose sum is σ = 271207140. Its totient is φ = 256933008.

The previous prime is 264070069. The next prime is 264070091. The reversal of 264070073 is 370070462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370070462 = 2 ⋅185035231.

It can be written as a sum of positive squares in 2 ways, for example, as 161594944 + 102475129 = 12712^2 + 10123^2 .

It is a cyclic number.

It is not a de Polignac number, because 264070073 - 2² = 264070069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264070013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568478 + ... + 3568551.

It is an arithmetic number, because the mean of its divisors is an integer number (67801785).

Almost surely, 2^264070073 is an apocalyptic number.

It is an amenable number.

264070073 is a deficient number, since it is larger than the sum of its proper divisors (7137067).

264070073 is an equidigital number, since it uses as much as digits as its factorization.

264070073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137066.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 264070073 is about 16250.2330137140. The cubic root of 264070073 is about 641.5636189461.

The spelling of 264070073 in words is "two hundred sixty-four million, seventy thousand, seventy-three".