730768131 has 6 divisors (see below), whose sum is σ = 1055553980. Its totient is φ = 487178748.

The previous prime is 730768117. The next prime is 730768141. The reversal of 730768131 is 131867037.

It is not a de Polignac number, because 730768131 - 2¹⁸ = 730505987 is a prime.

It is a super-2 number, since 2×730768131² = 1068044122570466322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730768141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40598221 + ... + 40598238.

Almost surely, 2^730768131 is an apocalyptic number.

730768131 is a deficient number, since it is larger than the sum of its proper divisors (324785849).

730768131 is a wasteful number, since it uses less digits than its factorization.

730768131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81196465 (or 81196462 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 730768131 is about 27032.7233367265. The cubic root of 730768131 is about 900.7270384512.

The spelling of 730768131 in words is "seven hundred thirty million, seven hundred sixty-eight thousand, one hundred thirty-one".