574779949 has 4 divisors (see below), whose sum is σ = 575248860. Its totient is φ = 574311040.

The previous prime is 574779901. The next prime is 574779977. The reversal of 574779949 is 949977475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 480398724 + 94381225 = 21918^2 + 9715^2 .

It is a cyclic number.

It is not a de Polignac number, because 574779949 - 2¹⁵ = 574747181 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 (574776949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232612 + ... + 235069.

It is an arithmetic number, because the mean of its divisors is an integer number (143812215).

Almost surely, 2^574779949 is an apocalyptic number.

It is an amenable number.

574779949 is a deficient number, since it is larger than the sum of its proper divisors (468911).

574779949 is a wasteful number, since it uses less digits than its factorization.

574779949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468910.

The product of its digits is 20003760, while the sum is 61.

The square root of 574779949 is about 23974.5687969565. The cubic root of 574779949 is about 831.4456583239.

The spelling of 574779949 in words is "five hundred seventy-four million, seven hundred seventy-nine thousand, nine hundred forty-nine".