66734792 has 16 divisors (see below), whose sum is σ = 132488460. Its totient is φ = 31404544.

The previous prime is 66734777. The next prime is 66734797. The reversal of 66734792 is 29743766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65060356 + 1674436 = 8066^2 + 1294^2 .

It is not an unprimeable number, because it can be changed into a prime (66734797) 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, 245213 + ... + 245484.

Almost surely, 2^66734792 is an apocalyptic number.

It is an amenable number.

66734792 is a deficient number, since it is larger than the sum of its proper divisors (65753668).

66734792 is a wasteful number, since it uses less digits than its factorization.

66734792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490720 (or 490716 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 66734792 is about 8169.1365516804. The cubic root of 66734792 is about 405.6182033646.

The spelling of 66734792 in words is "sixty-six million, seven hundred thirty-four thousand, seven hundred ninety-two".