742648280 has 32 divisors (see below), whose sum is σ = 1822865040. Its totient is φ = 270053760.

The previous prime is 742648279. The next prime is 742648303. The reversal of 742648280 is 82846247.

742648280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843479 + ... + 844358.

Almost surely, 2^742648280 is an apocalyptic number.

It is an amenable number.

742648280 is an abundant number, since it is smaller than the sum of its proper divisors (1080216760).

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

742648280 is a wasteful number, since it uses less digits than its factorization.

742648280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687859 (or 1687855 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 742648280 is about 27251.5738995017. The cubic root of 742648280 is about 905.5818851806.

The spelling of 742648280 in words is "seven hundred forty-two million, six hundred forty-eight thousand, two hundred eighty".