730776055 has 4 divisors (see below), whose sum is σ = 876931272. Its totient is φ = 584620840.

The previous prime is 730776049. The next prime is 730776089. The reversal of 730776055 is 550677037.

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

It is not a de Polignac number, because 730776055 - 2⁵ = 730776023 is a prime.

It is a super-2 number, since 2×730776055² = 1068067285122726050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 730775999 and 730776017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73077601 + ... + 73077610.

It is an arithmetic number, because the mean of its divisors is an integer number (219232818).

Almost surely, 2^730776055 is an apocalyptic number.

730776055 is a deficient number, since it is larger than the sum of its proper divisors (146155217).

730776055 is a wasteful number, since it uses less digits than its factorization.

730776055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146155216.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 730776055 is about 27032.8698994391. The cubic root of 730776055 is about 900.7302940827.

The spelling of 730776055 in words is "seven hundred thirty million, seven hundred seventy-six thousand, fifty-five".