662744741 has 2 divisors, whose sum is σ = 662744742. Its totient is φ = 662744740.

The previous prime is 662744707. The next prime is 662744759. The reversal of 662744741 is 147447266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639027841 + 23716900 = 25279^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 662744741 - 2²⁶ = 595635877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662744441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331372370 + 331372371.

It is an arithmetic number, because the mean of its divisors is an integer number (331372371).

Almost surely, 2^662744741 is an apocalyptic number.

It is an amenable number.

662744741 is a deficient number, since it is larger than the sum of its proper divisors (1).

662744741 is an equidigital number, since it uses as much as digits as its factorization.

662744741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The square root of 662744741 is about 25743.8291829324. The cubic root of 662744741 is about 871.8640356462.

The spelling of 662744741 in words is "six hundred sixty-two million, seven hundred forty-four thousand, seven hundred forty-one".