740036669 has 2 divisors, whose sum is σ = 740036670. Its totient is φ = 740036668.

The previous prime is 740036653. The next prime is 740036677. The reversal of 740036669 is 966630047.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659719225 + 80317444 = 25685^2 + 8962^2 .

It is a cyclic number.

It is not a de Polignac number, because 740036669 - 2⁴ = 740036653 is a prime.

It is a super-2 number, since 2×740036669² = 1095308542929231122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740036369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370018334 + 370018335.

It is an arithmetic number, because the mean of its divisors is an integer number (370018335).

Almost surely, 2^740036669 is an apocalyptic number.

It is an amenable number.

740036669 is a deficient number, since it is larger than the sum of its proper divisors (1).

740036669 is an equidigital number, since it uses as much as digits as its factorization.

740036669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 740036669 is about 27203.6149987460. The cubic root of 740036669 is about 904.5191096130.

The spelling of 740036669 in words is "seven hundred forty million, thirty-six thousand, six hundred sixty-nine".