742844216 has 32 divisors (see below), whose sum is σ = 1471008000. Its totient is φ = 350705376.

The previous prime is 742844171. The next prime is 742844231. The reversal of 742844216 is 612448247.

742844216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 742844216.

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, 38705 + ... + 54623.

It is an arithmetic number, because the mean of its divisors is an integer number (45969000).

Almost surely, 2^742844216 is an apocalyptic number.

742844216 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

742844216 is a deficient number, since it is larger than the sum of its proper divisors (728163784).

742844216 is a wasteful number, since it uses less digits than its factorization.

742844216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16251 (or 16247 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 742844216 is about 27255.1686107424. The cubic root of 742844216 is about 905.6615193290.

The spelling of 742844216 in words is "seven hundred forty-two million, eight hundred forty-four thousand, two hundred sixteen".