426680761 has 4 divisors (see below), whose sum is σ = 459502372. Its totient is φ = 393859152.

The previous prime is 426680747. The next prime is 426680789. The reversal of 426680761 is 167086624.

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 82355625 + 344325136 = 9075^2 + 18556^2 .

It is a cyclic number.

It is not a de Polignac number, because 426680761 - 2⁵ = 426680729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426680731) 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, 16410786 + ... + 16410811.

It is an arithmetic number, because the mean of its divisors is an integer number (114875593).

Almost surely, 2^426680761 is an apocalyptic number.

It is an amenable number.

426680761 is a deficient number, since it is larger than the sum of its proper divisors (32821611).

426680761 is a wasteful number, since it uses less digits than its factorization.

426680761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32821610.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 426680761 is about 20656.2523464446. The cubic root of 426680761 is about 752.8371125607.

The spelling of 426680761 in words is "four hundred twenty-six million, six hundred eighty thousand, seven hundred sixty-one".