420364753 has 4 divisors (see below), whose sum is σ = 420642288. Its totient is φ = 420087220.

The previous prime is 420364751. The next prime is 420364771. The reversal of 420364753 is 357463024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420364753 - 2¹ = 420364751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420364751) 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, 136483 + ... + 139528.

It is an arithmetic number, because the mean of its divisors is an integer number (105160572).

Almost surely, 2^420364753 is an apocalyptic number.

It is an amenable number.

420364753 is a deficient number, since it is larger than the sum of its proper divisors (277535).

420364753 is a wasteful number, since it uses less digits than its factorization.

420364753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277534.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 420364753 is about 20502.7986626216. The cubic root of 420364753 is about 749.1039687451.

The spelling of 420364753 in words is "four hundred twenty million, three hundred sixty-four thousand, seven hundred fifty-three".