426977741 has 6 divisors (see below), whose sum is σ = 433081326. Its totient is φ = 420959000.

The previous prime is 426977689. The next prime is 426977777. The reversal of 426977741 is 147779624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 315062500 + 111915241 = 17750^2 + 10579^2 .

It is not a de Polignac number, because 426977741 - 2²² = 422783437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426977641) 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, 37310 + ... + 47391.

It is an arithmetic number, because the mean of its divisors is an integer number (72180221).

Almost surely, 2^426977741 is an apocalyptic number.

It is an amenable number.

426977741 is a deficient number, since it is larger than the sum of its proper divisors (6103585).

426977741 is an frugal number, since it uses more digits than its factorization.

426977741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84843 (or 84772 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The square root of 426977741 is about 20663.4397184980. The cubic root of 426977741 is about 753.0117362563.

The spelling of 426977741 in words is "four hundred twenty-six million, nine hundred seventy-seven thousand, seven hundred forty-one".