742345650 has 36 divisors (see below), whose sum is σ = 1994436522. Its totient is φ = 197958720.

The previous prime is 742345633. The next prime is 742345673. The reversal of 742345650 is 56543247.

742345650 is a `hidden beast` number, since 74 + 23 + 4 + 565 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 663011001 + 79334649 = 25749^2 + 8907^2 .

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 17 ways as a sum of consecutive naturals, for example, 824379 + ... + 825278.

Almost surely, 2^742345650 is an apocalyptic number.

742345650 is an abundant number, since it is smaller than the sum of its proper divisors (1252090872).

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

742345650 is a wasteful number, since it uses less digits than its factorization.

742345650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649675 (or 1649667 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 742345650 is about 27246.0208103862. The cubic root of 742345650 is about 905.4588599263.

Adding to 742345650 its reverse (56543247), we get a palindrome (798888897).

The spelling of 742345650 in words is "seven hundred forty-two million, three hundred forty-five thousand, six hundred fifty".