740345533 has 2 divisors, whose sum is σ = 740345534. Its totient is φ = 740345532.

The previous prime is 740345531. The next prime is 740345537. The reversal of 740345533 is 335543047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641203684 + 99141849 = 25322^2 + 9957^2 .

It is a cyclic number.

It is not a de Polignac number, because 740345533 - 2¹ = 740345531 is a prime.

It is a super-2 number, since 2×740345533² = 1096223016466108178, which contains 22 as substring.

Together with 740345531, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740345531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370172766 + 370172767.

It is an arithmetic number, because the mean of its divisors is an integer number (370172767).

Almost surely, 2^740345533 is an apocalyptic number.

It is an amenable number.

740345533 is a deficient number, since it is larger than the sum of its proper divisors (1).

740345533 is an equidigital number, since it uses as much as digits as its factorization.

740345533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 34.

The square root of 740345533 is about 27209.2912991132. The cubic root of 740345533 is about 904.6449297443.

The spelling of 740345533 in words is "seven hundred forty million, three hundred forty-five thousand, five hundred thirty-three".