740749241 has 2 divisors, whose sum is σ = 740749242. Its totient is φ = 740749240.

The previous prime is 740749237. The next prime is 740749249. The reversal of 740749241 is 142947047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633025600 + 107723641 = 25160^2 + 10379^2 .

It is a cyclic number.

It is not a de Polignac number, because 740749241 - 2² = 740749237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 740749195 and 740749204.

It is not a weakly prime, because it can be changed into another prime (740749249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370374620 + 370374621.

It is an arithmetic number, because the mean of its divisors is an integer number (370374621).

Almost surely, 2^740749241 is an apocalyptic number.

It is an amenable number.

740749241 is a deficient number, since it is larger than the sum of its proper divisors (1).

740749241 is an equidigital number, since it uses as much as digits as its factorization.

740749241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 740749241 is about 27216.7088568769. The cubic root of 740749241 is about 904.8093331731.

The spelling of 740749241 in words is "seven hundred forty million, seven hundred forty-nine thousand, two hundred forty-one".