730181788 has 12 divisors (see below), whose sum is σ = 1460363632. Its totient is φ = 312935040.

The previous prime is 730181741. The next prime is 730181789. The reversal of 730181788 is 887181037.

It is a happy number.

730181788 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730181789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13038933 + ... + 13038988.

Almost surely, 2^730181788 is an apocalyptic number.

It is an amenable number.

730181788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730181788 is a wasteful number, since it uses less digits than its factorization.

730181788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26077932 (or 26077930 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 730181788 is about 27021.8761006707. The cubic root of 730181788 is about 900.4860699475.

The spelling of 730181788 in words is "seven hundred thirty million, one hundred eighty-one thousand, seven hundred eighty-eight".