730370755 has 4 divisors (see below), whose sum is σ = 876444912. Its totient is φ = 584296600.

The previous prime is 730370723. The next prime is 730370783. The reversal of 730370755 is 557073037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557073037 = 97 ⋅5743021.

It is not a de Polignac number, because 730370755 - 2⁵ = 730370723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73037071 + ... + 73037080.

It is an arithmetic number, because the mean of its divisors is an integer number (219111228).

Almost surely, 2^730370755 is an apocalyptic number.

730370755 is a deficient number, since it is larger than the sum of its proper divisors (146074157).

730370755 is a wasteful number, since it uses less digits than its factorization.

730370755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146074156.

The product of its (nonzero) digits is 77175, while the sum is 37.

The square root of 730370755 is about 27025.3724303662. The cubic root of 730370755 is about 900.5637435155.

The spelling of 730370755 in words is "seven hundred thirty million, three hundred seventy thousand, seven hundred fifty-five".