740825669 has 2 divisors, whose sum is σ = 740825670. Its totient is φ = 740825668.

The previous prime is 740825651. The next prime is 740825707. The reversal of 740825669 is 966528047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680949025 + 59876644 = 26095^2 + 7738^2 .

It is a cyclic number.

It is not a de Polignac number, because 740825669 - 2¹² = 740821573 is a prime.

It is a super-2 number, since 2×740825669² = 1097645343698595122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740825069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370412834 + 370412835.

It is an arithmetic number, because the mean of its divisors is an integer number (370412835).

Almost surely, 2^740825669 is an apocalyptic number.

It is an amenable number.

740825669 is a deficient number, since it is larger than the sum of its proper divisors (1).

740825669 is an equidigital number, since it uses as much as digits as its factorization.

740825669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 740825669 is about 27218.1128846215. The cubic root of 740825669 is about 904.8404504913.

The spelling of 740825669 in words is "seven hundred forty million, eight hundred twenty-five thousand, six hundred sixty-nine".