740749249 has 2 divisors, whose sum is σ = 740749250. Its totient is φ = 740749248.

The previous prime is 740749241. The next prime is 740749259. The reversal of 740749249 is 942947047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655001649 + 85747600 = 25593^2 + 9260^2 .

It is a cyclic number.

It is not a de Polignac number, because 740749249 - 2³ = 740749241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 740749199 and 740749208.

It is not a weakly prime, because it can be changed into another prime (740749241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370374624 + 370374625.

It is an arithmetic number, because the mean of its divisors is an integer number (370374625).

Almost surely, 2^740749249 is an apocalyptic number.

It is an amenable number.

740749249 is a deficient number, since it is larger than the sum of its proper divisors (1).

740749249 is an equidigital number, since it uses as much as digits as its factorization.

740749249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 740749249 is about 27216.7090038454. The cubic root of 740749249 is about 904.8093364304.

The spelling of 740749249 in words is "seven hundred forty million, seven hundred forty-nine thousand, two hundred forty-nine".