420743372 has 24 divisors (see below), whose sum is σ = 885776640. Its totient is φ = 170827920.

The previous prime is 420743371. The next prime is 420743437. The reversal of 420743372 is 273347024.

It is not an unprimeable number, because it can be changed into a prime (420743371) 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, 394904 + ... + 395967.

It is an arithmetic number, because the mean of its divisors is an integer number (36907360).

Almost surely, 2^420743372 is an apocalyptic number.

It is an amenable number.

420743372 is an abundant number, since it is smaller than the sum of its proper divisors (465033268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420743372 is a wasteful number, since it uses less digits than its factorization.

420743372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790901 (or 790899 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 420743372 is about 20512.0299336755. The cubic root of 420743372 is about 749.3288051388.

The spelling of 420743372 in words is "four hundred twenty million, seven hundred forty-three thousand, three hundred seventy-two".