66924274 has 8 divisors (see below), whose sum is σ = 106291548. Its totient is φ = 31493760.

The previous prime is 66924269. The next prime is 66924323. The reversal of 66924274 is 47242966.

It can be written as a sum of positive squares in 2 ways, for example, as 66667225 + 257049 = 8165^2 + 507^2 .

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

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, 984147 + ... + 984214.

Almost surely, 2^66924274 is an apocalyptic number.

66924274 is a deficient number, since it is larger than the sum of its proper divisors (39367274).

66924274 is a wasteful number, since it uses less digits than its factorization.

66924274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968380.

The product of its digits is 145152, while the sum is 40.

The square root of 66924274 is about 8180.7257624247. The cubic root of 66924274 is about 406.0017350505.

The spelling of 66924274 in words is "sixty-six million, nine hundred twenty-four thousand, two hundred seventy-four".