730733278 has 36 divisors (see below), whose sum is σ = 1224052200. Its totient is φ = 326926600.

The previous prime is 730733257. The next prime is 730733279. The reversal of 730733278 is 872337037.

It is a super-2 number, since 2×730733278² = 1067942247153250568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 730733278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730733279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1219623 + ... + 1220221.

It is an arithmetic number, because the mean of its divisors is an integer number (34001450).

Almost surely, 2^730733278 is an apocalyptic number.

730733278 is a deficient number, since it is larger than the sum of its proper divisors (493318922).

730733278 is a wasteful number, since it uses less digits than its factorization.

730733278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 730733278 is about 27032.0786844075. The cubic root of 730733278 is about 900.7127185700.

The spelling of 730733278 in words is "seven hundred thirty million, seven hundred thirty-three thousand, two hundred seventy-eight".