62666005 has 4 divisors (see below), whose sum is σ = 75199212. Its totient is φ = 50132800.

The previous prime is 62666003. The next prime is 62666011. The reversal of 62666005 is 50066626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12341169 + 50324836 = 3513^2 + 7094^2 .

It is not a de Polignac number, because 62666005 - 2¹ = 62666003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62666003) 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, 6266596 + ... + 6266605.

It is an arithmetic number, because the mean of its divisors is an integer number (18799803).

Almost surely, 2^62666005 is an apocalyptic number.

It is an amenable number.

62666005 is a deficient number, since it is larger than the sum of its proper divisors (12533207).

62666005 is a wasteful number, since it uses less digits than its factorization.

62666005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12533206.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 62666005 is about 7916.1862661259. The cubic root of 62666005 is about 397.2013077231.

The spelling of 62666005 in words is "sixty-two million, six hundred sixty-six thousand, five".