420754761 has 12 divisors (see below), whose sum is σ = 694579392. Its totient is φ = 240431256.

The previous prime is 420754687. The next prime is 420754769. The reversal of 420754761 is 167457024.

It is not a de Polignac number, because 420754761 - 2¹⁰ = 420753737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420754769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3339261 + ... + 3339386.

It is an arithmetic number, because the mean of its divisors is an integer number (57881616).

Almost surely, 2^420754761 is an apocalyptic number.

It is an amenable number.

420754761 is a deficient number, since it is larger than the sum of its proper divisors (273824631).

420754761 is a wasteful number, since it uses less digits than its factorization.

420754761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6678660 (or 6678657 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 420754761 is about 20512.3075493714. The cubic root of 420754761 is about 749.3355662108.

The spelling of 420754761 in words is "four hundred twenty million, seven hundred fifty-four thousand, seven hundred sixty-one".