723666074 has 4 divisors (see below), whose sum is σ = 1085499114. Its totient is φ = 361833036.

The previous prime is 723666059. The next prime is 723666103. The reversal of 723666074 is 470666327.

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., 368908849 + 354757225 = 19207^2 + 18835^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180916517 + ... + 180916520.

Almost surely, 2^723666074 is an apocalyptic number.

723666074 is a deficient number, since it is larger than the sum of its proper divisors (361833040).

723666074 is a wasteful number, since it uses less digits than its factorization.

723666074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361833039.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 723666074 is about 26901.0422474669. The cubic root of 723666074 is about 897.7995933425.

The spelling of 723666074 in words is "seven hundred twenty-three million, six hundred sixty-six thousand, seventy-four".