730043077 has 4 divisors (see below), whose sum is σ = 730233280. Its totient is φ = 729852876.

The previous prime is 730043063. The next prime is 730043107. The reversal of 730043077 is 770340037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 770340037 = 37 ⋅20820001.

It is a cyclic number.

It is not a de Polignac number, because 730043077 - 2²³ = 721654469 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 (730043177) 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, 89223 + ... + 97060.

It is an arithmetic number, because the mean of its divisors is an integer number (182558320).

Almost surely, 2^730043077 is an apocalyptic number.

It is an amenable number.

730043077 is a deficient number, since it is larger than the sum of its proper divisors (190203).

730043077 is a wasteful number, since it uses less digits than its factorization.

730043077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190202.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 730043077 is about 27019.3093361026. The cubic root of 730043077 is about 900.4290452286.

The spelling of 730043077 in words is "seven hundred thirty million, forty-three thousand, seventy-seven".