742740216 has 32 divisors (see below), whose sum is σ = 1857900240. Its totient is φ = 247440128.

The previous prime is 742740169. The next prime is 742740221. The reversal of 742740216 is 612047247.

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, 40180 + ... + 55676.

Almost surely, 2^742740216 is an apocalyptic number.

It is an amenable number.

742740216 is an abundant number, since it is smaller than the sum of its proper divisors (1115160024).

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

742740216 is a wasteful number, since it uses less digits than its factorization.

742740216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17503 (or 17499 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 742740216 is about 27253.2606489572. The cubic root of 742740216 is about 905.6192524167.

The spelling of 742740216 in words is "seven hundred forty-two million, seven hundred forty thousand, two hundred sixteen".