826545074 has 4 divisors (see below), whose sum is σ = 1239817614. Its totient is φ = 413272536.

The previous prime is 826545073. The next prime is 826545077. The reversal of 826545074 is 470545628.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 812535025 + 14010049 = 28505^2 + 3743^2 .

It is not an unprimeable number, because it can be changed into a prime (826545073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206636267 + ... + 206636270.

Almost surely, 2^826545074 is an apocalyptic number.

826545074 is a deficient number, since it is larger than the sum of its proper divisors (413272540).

826545074 is a wasteful number, since it uses less digits than its factorization.

826545074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413272539.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 826545074 is about 28749.6969375331. The cubic root of 826545074 is about 938.4738605281.

The spelling of 826545074 in words is "eight hundred twenty-six million, five hundred forty-five thousand, seventy-four".