748888061 has 2 divisors, whose sum is σ = 748888062. Its totient is φ = 748888060.

The previous prime is 748888051. The next prime is 748888079. The reversal of 748888061 is 160888847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515562436 + 233325625 = 22706^2 + 15275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748888061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748888031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374444030 + 374444031.

It is an arithmetic number, because the mean of its divisors is an integer number (374444031).

Almost surely, 2^748888061 is an apocalyptic number.

It is an amenable number.

748888061 is a deficient number, since it is larger than the sum of its proper divisors (1).

748888061 is an equidigital number, since it uses as much as digits as its factorization.

748888061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 688128, while the sum is 50.

The square root of 748888061 is about 27365.8192093714. The cubic root of 748888061 is about 908.1110682799. Note that the first 3 decimals are identical.

The spelling of 748888061 in words is "seven hundred forty-eight million, eight hundred eighty-eight thousand, sixty-one".