66922714 has 8 divisors (see below), whose sum is σ = 103097268. Its totient is φ = 32556960.

The previous prime is 66922703. The next prime is 66922721. The reversal of 66922714 is 41722966.

It can be written as a sum of positive squares in 2 ways, for example, as 51595489 + 15327225 = 7183^2 + 3915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452107 + ... + 452254.

Almost surely, 2^66922714 is an apocalyptic number.

66922714 is a deficient number, since it is larger than the sum of its proper divisors (36174554).

66922714 is a wasteful number, since it uses less digits than its factorization.

66922714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904400.

The product of its digits is 36288, while the sum is 37.

The square root of 66922714 is about 8180.6304158054. The cubic root of 66922714 is about 405.9985804022.

The spelling of 66922714 in words is "sixty-six million, nine hundred twenty-two thousand, seven hundred fourteen".