713533666 has 4 divisors (see below), whose sum is σ = 1070300502. Its totient is φ = 356766832.

The previous prime is 713533663. The next prime is 713533697. The reversal of 713533666 is 666335317.

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

It can be written as a sum of positive squares in only one way, i.e., 695851641 + 17682025 = 26379^2 + 4205^2 .

It is not an unprimeable number, because it can be changed into a prime (713533663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178383415 + ... + 178383418.

Almost surely, 2^713533666 is an apocalyptic number.

713533666 is a deficient number, since it is larger than the sum of its proper divisors (356766836).

713533666 is a wasteful number, since it uses less digits than its factorization.

713533666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356766835.

The product of its digits is 204120, while the sum is 40.

The square root of 713533666 is about 26712.0509508349. The cubic root of 713533666 is about 893.5897042401.

The spelling of 713533666 in words is "seven hundred thirteen million, five hundred thirty-three thousand, six hundred sixty-six".