746522138 has 16 divisors (see below), whose sum is σ = 1155095880. Its totient is φ = 361578816.

The previous prime is 746522123. The next prime is 746522167. The reversal of 746522138 is 831225647.

It is a happy number.

746522138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 713263849 + 33258289 = 26707^2 + 5767^2 .

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, 5081 + ... + 38972.

Almost surely, 2^746522138 is an apocalyptic number.

746522138 is a deficient number, since it is larger than the sum of its proper divisors (408573742).

746522138 is a wasteful number, since it uses less digits than its factorization.

746522138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44321.

The product of its digits is 80640, while the sum is 38.

The square root of 746522138 is about 27322.5573107643. The cubic root of 746522138 is about 907.1537434475.

The spelling of 746522138 in words is "seven hundred forty-six million, five hundred twenty-two thousand, one hundred thirty-eight".