738721683 has 24 divisors (see below), whose sum is σ = 1220237408. Its totient is φ = 421863552.

The previous prime is 738721679. The next prime is 738721693. The reversal of 738721683 is 386127837.

It is not a de Polignac number, because 738721683 - 2² = 738721679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738721693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147285 + ... + 152217.

Almost surely, 2^738721683 is an apocalyptic number.

738721683 is a deficient number, since it is larger than the sum of its proper divisors (481515725).

738721683 is a wasteful number, since it uses less digits than its factorization.

738721683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323 (or 7320 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 738721683 is about 27179.4349279009. The cubic root of 738721683 is about 903.9830392535.

The spelling of 738721683 in words is "seven hundred thirty-eight million, seven hundred twenty-one thousand, six hundred eighty-three".