420769760 has 24 divisors (see below), whose sum is σ = 994068936. Its totient is φ = 168307840.

The previous prime is 420769759. The next prime is 420769781. The reversal of 420769760 is 67967024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314746 + ... + 1315065.

It is an arithmetic number, because the mean of its divisors is an integer number (41419539).

Almost surely, 2^420769760 is an apocalyptic number.

420769760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420769760 is an abundant number, since it is smaller than the sum of its proper divisors (573299176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420769760 is a wasteful number, since it uses less digits than its factorization.

420769760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629826 (or 2629818 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 420769760 is about 20512.6731558810. The cubic root of 420769760 is about 749.3444701707.

The spelling of 420769760 in words is "four hundred twenty million, seven hundred sixty-nine thousand, seven hundred sixty".