742555550 has 24 divisors (see below), whose sum is σ = 1506713832. Its totient is φ = 270020000.

The previous prime is 742555547. The next prime is 742555589. The reversal of 742555550 is 55555247.

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 11 ways as a sum of consecutive naturals, for example, 674501 + ... + 675600.

It is an arithmetic number, because the mean of its divisors is an integer number (62779743).

Almost surely, 2^742555550 is an apocalyptic number.

742555550 is an abundant number, since it is smaller than the sum of its proper divisors (764158282).

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

742555550 is a wasteful number, since it uses less digits than its factorization.

742555550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350124 (or 1350119 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 38.

The square root of 742555550 is about 27249.8724767658. The cubic root of 742555550 is about 905.5441921004.

The spelling of 742555550 in words is "seven hundred forty-two million, five hundred fifty-five thousand, five hundred fifty".