742732656 has 20 divisors (see below), whose sum is σ = 1918726152. Its totient is φ = 247577536.

The previous prime is 742732643. The next prime is 742732673. The reversal of 742732656 is 656237247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7736751 + ... + 7736846.

Almost surely, 2^742732656 is an apocalyptic number.

It is an amenable number.

742732656 is an abundant number, since it is smaller than the sum of its proper divisors (1175993496).

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

742732656 is a wasteful number, since it uses less digits than its factorization.

742732656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473608 (or 15473602 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 742732656 is about 27253.1219496042. The cubic root of 742732656 is about 905.6161797835.

The spelling of 742732656 in words is "seven hundred forty-two million, seven hundred thirty-two thousand, six hundred fifty-six".