420364745 has 8 divisors (see below), whose sum is σ = 505015560. Its totient is φ = 335906560.

The previous prime is 420364723. The next prime is 420364751. The reversal of 420364745 is 547463024.

It can be written as a sum of positive squares in 4 ways, for example, as 43072969 + 377291776 = 6563^2 + 19424^2 .

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

It is not a de Polignac number, because 420364745 - 2⁸ = 420364489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43310 + ... + 52119.

It is an arithmetic number, because the mean of its divisors is an integer number (63126945).

Almost surely, 2^420364745 is an apocalyptic number.

It is an amenable number.

420364745 is a deficient number, since it is larger than the sum of its proper divisors (84650815).

420364745 is an equidigital number, since it uses as much as digits as its factorization.

420364745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96315.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 420364745 is about 20502.7984675263. The cubic root of 420364745 is about 749.1039639930.

The spelling of 420364745 in words is "four hundred twenty million, three hundred sixty-four thousand, seven hundred forty-five".