730864136 has 32 divisors (see below), whose sum is σ = 1468484640. Its totient is φ = 339787008.

The previous prime is 730864129. The next prime is 730864139. The reversal of 730864136 is 631468037.

It is a self number, because there is not a number n which added to its sum of digits gives 730864136.

It is not an unprimeable number, because it can be changed into a prime (730864139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21086 + ... + 43661.

It is an arithmetic number, because the mean of its divisors is an integer number (45890145).

Almost surely, 2^730864136 is an apocalyptic number.

It is an amenable number.

730864136 is an abundant number, since it is smaller than the sum of its proper divisors (737620504).

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

730864136 is a wasteful number, since it uses less digits than its factorization.

730864136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64853 (or 64849 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 730864136 is about 27034.4989966524. The cubic root of 730864136 is about 900.7664812006.

The spelling of 730864136 in words is "seven hundred thirty million, eight hundred sixty-four thousand, one hundred thirty-six".