730609078 has 24 divisors (see below), whose sum is σ = 1138503024. Its totient is φ = 351541200.

The previous prime is 730609073. The next prime is 730609091. The reversal of 730609078 is 870906037.

It is a self number, because there is not a number n which added to its sum of digits gives 730609078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730609073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268143 + ... + 270853.

It is an arithmetic number, because the mean of its divisors is an integer number (47437626).

Almost surely, 2^730609078 is an apocalyptic number.

730609078 is a deficient number, since it is larger than the sum of its proper divisors (407893946).

730609078 is a wasteful number, since it uses less digits than its factorization.

730609078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 730609078 is about 27029.7813161705. The cubic root of 730609078 is about 900.6616854221.

The spelling of 730609078 in words is "seven hundred thirty million, six hundred nine thousand, seventy-eight".