740629717 has 2 divisors, whose sum is σ = 740629718. Its totient is φ = 740629716.

The previous prime is 740629663. The next prime is 740629727. The reversal of 740629717 is 717926047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707613201 + 33016516 = 26601^2 + 5746^2 .

It is a cyclic number.

It is not a de Polignac number, because 740629717 - 2¹⁵ = 740596949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740629727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370314858 + 370314859.

It is an arithmetic number, because the mean of its divisors is an integer number (370314859).

Almost surely, 2^740629717 is an apocalyptic number.

It is an amenable number.

740629717 is a deficient number, since it is larger than the sum of its proper divisors (1).

740629717 is an equidigital number, since it uses as much as digits as its factorization.

740629717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 740629717 is about 27214.5129848028. The cubic root of 740629717 is about 904.7606652200.

The spelling of 740629717 in words is "seven hundred forty million, six hundred twenty-nine thousand, seven hundred seventeen".