474909077 has 4 divisors (see below), whose sum is σ = 475064940. Its totient is φ = 474753216.

The previous prime is 474909049. The next prime is 474909091. The reversal of 474909077 is 770909474.

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 283114276 + 191794801 = 16826^2 + 13849^2 .

It is a cyclic number.

It is not a de Polignac number, because 474909077 - 2²⁰ = 473860501 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 (474909277) 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, 73268 + ... + 79485.

It is an arithmetic number, because the mean of its divisors is an integer number (118766235).

Almost surely, 2^474909077 is an apocalyptic number.

It is an amenable number.

474909077 is a deficient number, since it is larger than the sum of its proper divisors (155863).

474909077 is a wasteful number, since it uses less digits than its factorization.

474909077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155862.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 474909077 is about 21792.4087011968. The cubic root of 474909077 is about 780.1955881418.

The spelling of 474909077 in words is "four hundred seventy-four million, nine hundred nine thousand, seventy-seven".