736421056 has 28 divisors (see below), whose sum is σ = 1670098768. Its totient is φ = 315608832.

The previous prime is 736421039. The next prime is 736421083. The reversal of 736421056 is 650124637.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821451 + ... + 822346.

Almost surely, 2^736421056 is an apocalyptic number.

It is an amenable number.

736421056 is an abundant number, since it is smaller than the sum of its proper divisors (933677712).

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

736421056 is a wasteful number, since it uses less digits than its factorization.

736421056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643816 (or 1643806 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 736421056 is about 27137.0789879825. The cubic root of 736421056 is about 903.0436279395.

The spelling of 736421056 in words is "seven hundred thirty-six million, four hundred twenty-one thousand, fifty-six".