66763294 has 8 divisors (see below), whose sum is σ = 107848440. Its totient is φ = 30813816.

The previous prime is 66763271. The next prime is 66763297. The reversal of 66763294 is 49236766.

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

It is a self number, because there is not a number n which added to its sum of digits gives 66763294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66763297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283884 + ... + 1283935.

It is an arithmetic number, because the mean of its divisors is an integer number (13481055).

Almost surely, 2^66763294 is an apocalyptic number.

66763294 is a deficient number, since it is larger than the sum of its proper divisors (41085146).

66763294 is a wasteful number, since it uses less digits than its factorization.

66763294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567834.

The product of its digits is 326592, while the sum is 43.

The square root of 66763294 is about 8170.8808582674. The cubic root of 66763294 is about 405.6759407866.

The spelling of 66763294 in words is "sixty-six million, seven hundred sixty-three thousand, two hundred ninety-four".