609945074 has 16 divisors (see below), whose sum is σ = 994920408. Its totient is φ = 279274752.

The previous prime is 609945053. The next prime is 609945079. The reversal of 609945074 is 470549906.

It can be written as a sum of positive squares in 4 ways, for example, as 604914025 + 5031049 = 24595^2 + 2243^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (609945079) 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, 241169 + ... + 243684.

Almost surely, 2^609945074 is an apocalyptic number.

609945074 is a deficient number, since it is larger than the sum of its proper divisors (384975334).

609945074 is a wasteful number, since it uses less digits than its factorization.

609945074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484909.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 609945074 is about 24697.0661010574. The cubic root of 609945074 is about 848.0671532571.

The spelling of 609945074 in words is "six hundred nine million, nine hundred forty-five thousand, seventy-four".