797490305 has 8 divisors (see below), whose sum is σ = 957139944. Its totient is φ = 637891200.

The previous prime is 797490269. The next prime is 797490359. The reversal of 797490305 is 503094797.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 260919409 + 536570896 = 16153^2 + 23164^2 .

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

It is not a de Polignac number, because 797490305 - 2⁶ = 797490241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55685 + ... + 68525.

It is an arithmetic number, because the mean of its divisors is an integer number (119642493).

Almost surely, 2^797490305 is an apocalyptic number.

It is an amenable number.

797490305 is a deficient number, since it is larger than the sum of its proper divisors (159649639).

797490305 is a wasteful number, since it uses less digits than its factorization.

797490305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25267.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 797490305 is about 28239.8708389398. The cubic root of 797490305 is about 927.3460021421.

The spelling of 797490305 in words is "seven hundred ninety-seven million, four hundred ninety thousand, three hundred five".