774486013 has 6 divisors (see below), whose sum is σ = 900932766. Its totient is φ = 663845112.

The previous prime is 774486007. The next prime is 774486019. The reversal of 774486013 is 310684477.

It is an interprime number because it is at equal distance from previous prime (774486007) and next prime (774486019).

It can be written as a sum of positive squares in only one way, i.e., 709796164 + 64689849 = 26642^2 + 8043^2 .

It is not a de Polignac number, because 774486013 - 2⁹ = 774485501 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 (774486019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7902870 + ... + 7902967.

It is an arithmetic number, because the mean of its divisors is an integer number (150155461).

Almost surely, 2^774486013 is an apocalyptic number.

It is an amenable number.

774486013 is a deficient number, since it is larger than the sum of its proper divisors (126446753).

774486013 is a wasteful number, since it uses less digits than its factorization.

774486013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805851 (or 15805844 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 774486013 is about 27829.5888040050. The cubic root of 774486013 is about 918.3421675920.

The spelling of 774486013 in words is "seven hundred seventy-four million, four hundred eighty-six thousand, thirteen".