740572697 has 2 divisors, whose sum is σ = 740572698. Its totient is φ = 740572696.

The previous prime is 740572643. The next prime is 740572741. The reversal of 740572697 is 796275047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493328521 + 247244176 = 22211^2 + 15724^2 .

It is a cyclic number.

It is not a de Polignac number, because 740572697 - 2¹⁰ = 740571673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (740574697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370286348 + 370286349.

It is an arithmetic number, because the mean of its divisors is an integer number (370286349).

Almost surely, 2^740572697 is an apocalyptic number.

It is an amenable number.

740572697 is a deficient number, since it is larger than the sum of its proper divisors (1).

740572697 is an equidigital number, since it uses as much as digits as its factorization.

740572697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 740572697 is about 27213.4653618388. The cubic root of 740572697 is about 904.7374458901.

The spelling of 740572697 in words is "seven hundred forty million, five hundred seventy-two thousand, six hundred ninety-seven".