730969780 has 24 divisors (see below), whose sum is σ = 1576525608. Its totient is φ = 284485248.

The previous prime is 730969753. The next prime is 730969781. The reversal of 730969780 is 87969037.

It can be written as a sum of positive squares in 4 ways, for example, as 213043216 + 517926564 = 14596^2 + 22758^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730969781) 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, 493159 + ... + 494638.

It is an arithmetic number, because the mean of its divisors is an integer number (65688567).

Almost surely, 2^730969780 is an apocalyptic number.

It is an amenable number.

730969780 is an abundant number, since it is smaller than the sum of its proper divisors (845555828).

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

730969780 is a wasteful number, since it uses less digits than its factorization.

730969780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987843 (or 987841 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 730969780 is about 27036.4527998774. The cubic root of 730969780 is about 900.8098800508.

The spelling of 730969780 in words is "seven hundred thirty million, nine hundred sixty-nine thousand, seven hundred eighty".