420070763 has 8 divisors (see below), whose sum is σ = 481168128. Its totient is φ = 359245224.

The previous prime is 420070751. The next prime is 420070787. The reversal of 420070763 is 367070024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420070763 - 2⁴ = 420070747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420070733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64631 + ... + 70832.

It is an arithmetic number, because the mean of its divisors is an integer number (60146016).

Almost surely, 2^420070763 is an apocalyptic number.

420070763 is a deficient number, since it is larger than the sum of its proper divisors (61097365).

420070763 is a wasteful number, since it uses less digits than its factorization.

420070763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135913.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 420070763 is about 20495.6278996278. The cubic root of 420070763 is about 748.9292946995.

The spelling of 420070763 in words is "four hundred twenty million, seventy thousand, seven hundred sixty-three".