420764363 has 4 divisors (see below), whose sum is σ = 421111320. Its totient is φ = 420417408.

The previous prime is 420764359. The next prime is 420764387. The reversal of 420764363 is 363467024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420764363 - 2² = 420764359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420764863) 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, 171653 + ... + 174086.

It is an arithmetic number, because the mean of its divisors is an integer number (105277830).

Almost surely, 2^420764363 is an apocalyptic number.

420764363 is a deficient number, since it is larger than the sum of its proper divisors (346957).

420764363 is a wasteful number, since it uses less digits than its factorization.

420764363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346956.

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 420764363 is about 20512.5416026391. The cubic root of 420764363 is about 749.3412663367.

The spelling of 420764363 in words is "four hundred twenty million, seven hundred sixty-four thousand, three hundred sixty-three".