731970420 has 24 divisors (see below), whose sum is σ = 2049517344. Its totient is φ = 195192096.

The previous prime is 731970401. The next prime is 731970431. The reversal of 731970420 is 24079137.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6099694 + ... + 6099813.

It is an arithmetic number, because the mean of its divisors is an integer number (85396556).

Almost surely, 2^731970420 is an apocalyptic number.

It is an amenable number.

731970420 is an abundant number, since it is smaller than the sum of its proper divisors (1317546924).

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

731970420 is a wasteful number, since it uses less digits than its factorization.

731970420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199519 (or 12199517 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 731970420 is about 27054.9518572848. The cubic root of 731970420 is about 901.2207385325.

The spelling of 731970420 in words is "seven hundred thirty-one million, nine hundred seventy thousand, four hundred twenty".