730878536 has 8 divisors (see below), whose sum is σ = 1370397270. Its totient is φ = 365439264.

The previous prime is 730878527. The next prime is 730878553. The reversal of 730878536 is 635878037.

It can be written as a sum of positive squares in only one way, i.e., 723072100 + 7806436 = 26890^2 + 2794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45679901 + ... + 45679916.

Almost surely, 2^730878536 is an apocalyptic number.

It is an amenable number.

730878536 is a deficient number, since it is larger than the sum of its proper divisors (639518734).

730878536 is a wasteful number, since it uses less digits than its factorization.

730878536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91359823 (or 91359819 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 730878536 is about 27034.7653217112. The cubic root of 730878536 is about 900.7723970070.

The spelling of 730878536 in words is "seven hundred thirty million, eight hundred seventy-eight thousand, five hundred thirty-six".