742187216 has 40 divisors (see below), whose sum is σ = 1452436800. Its totient is φ = 367386624.

The previous prime is 742187191. The next prime is 742187233. The reversal of 742187216 is 612781247.

It is a self number, because there is not a number n which added to its sum of digits gives 742187216.

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 7 ways as a sum of consecutive naturals, for example, 817835 + ... + 818741.

It is an arithmetic number, because the mean of its divisors is an integer number (36310920).

Almost surely, 2^742187216 is an apocalyptic number.

It is an amenable number.

742187216 is a deficient number, since it is larger than the sum of its proper divisors (710249584).

742187216 is a wasteful number, since it uses less digits than its factorization.

742187216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371 (or 1365 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 742187216 is about 27243.1131848032. The cubic root of 742187216 is about 905.3944399463.

The spelling of 742187216 in words is "seven hundred forty-two million, one hundred eighty-seven thousand, two hundred sixteen".