742698216 has 144 divisors (see below), whose sum is σ = 2213040960. Its totient is φ = 224864640.

The previous prime is 742698211. The next prime is 742698223. The reversal of 742698216 is 612896247.

It is a happy number.

742698216 is a `hidden beast` number, since 7 + 426 + 9 + 8 + 216 = 666.

It is not an unprimeable number, because it can be changed into a prime (742698211) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 814801 + ... + 815711.

It is an arithmetic number, because the mean of its divisors is an integer number (15368340).

Almost surely, 2^742698216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742698216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106520480).

742698216 is an abundant number, since it is smaller than the sum of its proper divisors (1470342744).

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

742698216 is a wasteful number, since it uses less digits than its factorization.

742698216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 996 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 742698216 is about 27252.4900880635. The cubic root of 742698216 is about 905.6021819683.

The spelling of 742698216 in words is "seven hundred forty-two million, six hundred ninety-eight thousand, two hundred sixteen".