746039561 has 2 divisors, whose sum is σ = 746039562. Its totient is φ = 746039560.

The previous prime is 746039453. The next prime is 746039599. The reversal of 746039561 is 165930647.

746039561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507645961 + 238393600 = 22531^2 + 15440^2 .

It is an emirp because it is prime and its reverse (165930647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 746039561 - 2²² = 741845257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (746035561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373019780 + 373019781.

It is an arithmetic number, because the mean of its divisors is an integer number (373019781).

Almost surely, 2^746039561 is an apocalyptic number.

It is an amenable number.

746039561 is a deficient number, since it is larger than the sum of its proper divisors (1).

746039561 is an equidigital number, since it uses as much as digits as its factorization.

746039561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 746039561 is about 27313.7247734541. The cubic root of 746039561 is about 906.9582297564.

The spelling of 746039561 in words is "seven hundred forty-six million, thirty-nine thousand, five hundred sixty-one".