426705321 has 24 divisors (see below), whose sum is σ = 690725440. Its totient is φ = 229485312.

The previous prime is 426705317. The next prime is 426705329. The reversal of 426705321 is 123507624.

It is not a de Polignac number, because 426705321 - 2² = 426705317 is a prime.

It is a super-3 number, since 3×426705321³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426705329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29086 + ... + 41223.

Almost surely, 2^426705321 is an apocalyptic number.

It is an amenable number.

426705321 is a deficient number, since it is larger than the sum of its proper divisors (264020119).

426705321 is a wasteful number, since it uses less digits than its factorization.

426705321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70353 (or 70336 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 426705321 is about 20656.8468310147. The cubic root of 426705321 is about 752.8515568685.

The spelling of 426705321 in words is "four hundred twenty-six million, seven hundred five thousand, three hundred twenty-one".