730772755 has 8 divisors (see below), whose sum is σ = 900628272. Its totient is φ = 568817568.

The previous prime is 730772747. The next prime is 730772759. The reversal of 730772755 is 557277037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730772755 - 2³ = 730772747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730772759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974877 + ... + 1975246.

It is an arithmetic number, because the mean of its divisors is an integer number (112578534).

Almost surely, 2^730772755 is an apocalyptic number.

730772755 is a deficient number, since it is larger than the sum of its proper divisors (169855517).

730772755 is a wasteful number, since it uses less digits than its factorization.

730772755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950165.

The product of its (nonzero) digits is 360150, while the sum is 43.

The square root of 730772755 is about 27032.8088625655. The cubic root of 730772755 is about 900.7289382572.

The spelling of 730772755 in words is "seven hundred thirty million, seven hundred seventy-two thousand, seven hundred fifty-five".