740574823 has 2 divisors, whose sum is σ = 740574824. Its totient is φ = 740574822.

The previous prime is 740574803. The next prime is 740574829. The reversal of 740574823 is 328475047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 740574823 - 2⁹ = 740574311 is a prime.

It is a super-2 number, since 2×740574823² = 1096902136922962658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740574829) 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, 370287411 + 370287412.

It is an arithmetic number, because the mean of its divisors is an integer number (370287412).

Almost surely, 2^740574823 is an apocalyptic number.

740574823 is a deficient number, since it is larger than the sum of its proper divisors (1).

740574823 is an equidigital number, since it uses as much as digits as its factorization.

740574823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 740574823 is about 27213.5044233557. The cubic root of 740574823 is about 904.7383116480.

It can be divided in two parts, 7405 and 74823, that added together give a palindrome (82228).

The spelling of 740574823 in words is "seven hundred forty million, five hundred seventy-four thousand, eight hundred twenty-three".