742224880 has 40 divisors (see below), whose sum is σ = 1727795664. Its totient is φ = 296524800.

The previous prime is 742224877. The next prime is 742224887. The reversal of 742224880 is 88422247.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742224887) by changing a digit.

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, 65215 + ... + 75745.

Almost surely, 2^742224880 is an apocalyptic number.

It is an amenable number.

742224880 is an abundant number, since it is smaller than the sum of its proper divisors (985570784).

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

742224880 is a wasteful number, since it uses less digits than its factorization.

742224880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11425 (or 11419 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 742224880 is about 27243.8044333019. The cubic root of 742224880 is about 905.4097551295.

The spelling of 742224880 in words is "seven hundred forty-two million, two hundred twenty-four thousand, eight hundred eighty".