723894974 has 16 divisors (see below), whose sum is σ = 1191179520. Its totient is φ = 327203160.

The previous prime is 723894971. The next prime is 723894979. The reversal of 723894974 is 479498327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723894971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87974 + ... + 95849.

It is an arithmetic number, because the mean of its divisors is an integer number (74448720).

Almost surely, 2^723894974 is an apocalyptic number.

723894974 is a deficient number, since it is larger than the sum of its proper divisors (467284546).

723894974 is a wasteful number, since it uses less digits than its factorization.

723894974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184015.

The product of its digits is 3048192, while the sum is 53.

The square root of 723894974 is about 26905.2963930896. The cubic root of 723894974 is about 897.8942431958.

The spelling of 723894974 in words is "seven hundred twenty-three million, eight hundred ninety-four thousand, nine hundred seventy-four".