730055775 has 24 divisors (see below), whose sum is σ = 1218988944. Its totient is φ = 385504000.

The previous prime is 730055759. The next prime is 730055783. The reversal of 730055775 is 577550037.

It is not a de Polignac number, because 730055775 - 2⁴ = 730055759 is a prime.

It is a super-2 number, since 2×730055775² = 1065962869221701250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40614 + ... + 55763.

It is an arithmetic number, because the mean of its divisors is an integer number (50791206).

Almost surely, 2^730055775 is an apocalyptic number.

730055775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

730055775 is a deficient number, since it is larger than the sum of its proper divisors (488933169).

730055775 is a wasteful number, since it uses less digits than its factorization.

730055775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96491 (or 96486 counting only the distinct ones).

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 730055775 is about 27019.5443151804. The cubic root of 730055775 is about 900.4342657341.

The spelling of 730055775 in words is "seven hundred thirty million, fifty-five thousand, seven hundred seventy-five".