740631937 has 2 divisors, whose sum is σ = 740631938. Its totient is φ = 740631936.

The previous prime is 740631917. The next prime is 740631953. The reversal of 740631937 is 739136047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571735921 + 168896016 = 23911^2 + 12996^2 .

It is a cyclic number.

It is not a de Polignac number, because 740631937 - 2¹¹ = 740629889 is a prime.

It is a super-2 number, since 2×740631937² = 1097071332208743938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 740631937.

It is not a weakly prime, because it can be changed into another prime (740631917) 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, 370315968 + 370315969.

It is an arithmetic number, because the mean of its divisors is an integer number (370315969).

Almost surely, 2^740631937 is an apocalyptic number.

It is an amenable number.

740631937 is a deficient number, since it is larger than the sum of its proper divisors (1).

740631937 is an equidigital number, since it uses as much as digits as its factorization.

740631937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 740631937 is about 27214.5537718332. The cubic root of 740631937 is about 904.7615692105.

The spelling of 740631937 in words is "seven hundred forty million, six hundred thirty-one thousand, nine hundred thirty-seven".