730373778 has 24 divisors (see below), whose sum is σ = 1583873616. Its totient is φ = 243243000.

The previous prime is 730373773. The next prime is 730373797. The reversal of 730373778 is 877373037.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (730373773) 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, 3753 + ... + 38403.

It is an arithmetic number, because the mean of its divisors is an integer number (65994734).

Almost surely, 2^730373778 is an apocalyptic number.

730373778 is an abundant number, since it is smaller than the sum of its proper divisors (853499838).

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

730373778 is a wasteful number, since it uses less digits than its factorization.

730373778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35830 (or 35827 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 45.

The square root of 730373778 is about 27025.4283592323. The cubic root of 730373778 is about 900.5649859897.

The spelling of 730373778 in words is "seven hundred thirty million, three hundred seventy-three thousand, seven hundred seventy-eight".