730506077 has 8 divisors (see below), whose sum is σ = 837388992. Its totient is φ = 624254400.

The previous prime is 730506071. The next prime is 730506079. The reversal of 730506077 is 770605037.

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

It is not a de Polignac number, because 730506077 - 2¹⁰ = 730505053 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 (730506071) 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, 155324 + ... + 159957.

It is an arithmetic number, because the mean of its divisors is an integer number (104673624).

Almost surely, 2^730506077 is an apocalyptic number.

It is an amenable number.

730506077 is a deficient number, since it is larger than the sum of its proper divisors (106882915).

730506077 is a wasteful number, since it uses less digits than its factorization.

730506077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315619.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 730506077 is about 27027.8759246819. The cubic root of 730506077 is about 900.6193584482.

The spelling of 730506077 in words is "seven hundred thirty million, five hundred six thousand, seventy-seven".