64330293 has 4 divisors (see below), whose sum is σ = 85773728. Its totient is φ = 42886860.

The previous prime is 64330289. The next prime is 64330297. The reversal of 64330293 is 39203346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (64330289) and next prime (64330297).

It is not a de Polignac number, because 64330293 - 2² = 64330289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64330293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64330297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10721713 + ... + 10721718.

It is an arithmetic number, because the mean of its divisors is an integer number (21443432).

Almost surely, 2^64330293 is an apocalyptic number.

It is an amenable number.

64330293 is a deficient number, since it is larger than the sum of its proper divisors (21443435).

64330293 is a wasteful number, since it uses less digits than its factorization.

64330293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443434.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 64330293 is about 8020.6167468593. The cubic root of 64330293 is about 400.6869300591.

The spelling of 64330293 in words is "sixty-four million, three hundred thirty thousand, two hundred ninety-three".