730637773 has 4 divisors (see below), whose sum is σ = 737103708. Its totient is φ = 724171840.

The previous prime is 730637771. The next prime is 730637777. The reversal of 730637773 is 377736037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185041609 + 545596164 = 13603^2 + 23358^2 .

It is a cyclic number.

It is not a de Polignac number, because 730637773 - 2¹ = 730637771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730637771) 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, 3232798 + ... + 3233023.

It is an arithmetic number, because the mean of its divisors is an integer number (184275927).

Almost surely, 2^730637773 is an apocalyptic number.

It is an amenable number.

730637773 is a deficient number, since it is larger than the sum of its proper divisors (6465935).

730637773 is a wasteful number, since it uses less digits than its factorization.

730637773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465934.

The product of its (nonzero) digits is 388962, while the sum is 43.

The square root of 730637773 is about 27030.3121143652. The cubic root of 730637773 is about 900.6734765653.

The spelling of 730637773 in words is "seven hundred thirty million, six hundred thirty-seven thousand, seven hundred seventy-three".