740513273 has 2 divisors, whose sum is σ = 740513274. Its totient is φ = 740513272.

The previous prime is 740513261. The next prime is 740513287. The reversal of 740513273 is 372315047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694164409 + 46348864 = 26347^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 740513273 - 2¹⁰ = 740512249 is a prime.

It is not a weakly prime, because it can be changed into another prime (740513233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370256636 + 370256637.

It is an arithmetic number, because the mean of its divisors is an integer number (370256637).

Almost surely, 2^740513273 is an apocalyptic number.

It is an amenable number.

740513273 is a deficient number, since it is larger than the sum of its proper divisors (1).

740513273 is an equidigital number, since it uses as much as digits as its factorization.

740513273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 740513273 is about 27212.3735274966. The cubic root of 740513273 is about 904.7132463500.

The spelling of 740513273 in words is "seven hundred forty million, five hundred thirteen thousand, two hundred seventy-three".