730845878 has 64 divisors (see below), whose sum is σ = 1400976000. Its totient is φ = 284497920.

The previous prime is 730845877. The next prime is 730845893. The reversal of 730845878 is 878548037.

It is a super-3 number, since 3×730845878³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730845877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337118 + ... + 339278.

It is an arithmetic number, because the mean of its divisors is an integer number (21890250).

Almost surely, 2^730845878 is an apocalyptic number.

730845878 is a deficient number, since it is larger than the sum of its proper divisors (670130122).

730845878 is a wasteful number, since it uses less digits than its factorization.

730845878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 730845878 is about 27034.1613148993. The cubic root of 730845878 is about 900.7589803394.

The spelling of 730845878 in words is "seven hundred thirty million, eight hundred forty-five thousand, eight hundred seventy-eight".