420762377 has 16 divisors (see below), whose sum is σ = 503096832. Its totient is φ = 344359680.

The previous prime is 420762371. The next prime is 420762383. The reversal of 420762377 is 773267024.

It is an interprime number because it is at equal distance from previous prime (420762371) and next prime (420762383).

It is not a de Polignac number, because 420762377 - 2¹⁰ = 420761353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420762377.

It is not an unprimeable number, because it can be changed into a prime (420762371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (31443552).

Almost surely, 2^420762377 is an apocalyptic number.

420762377 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

420762377 is a deficient number, since it is larger than the sum of its proper divisors (82334455).

420762377 is a wasteful number, since it uses less digits than its factorization.

420762377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31288.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 420762377 is about 20512.4931931738. The cubic root of 420762377 is about 749.3400873759.

The spelling of 420762377 in words is "four hundred twenty million, seven hundred sixty-two thousand, three hundred seventy-seven".