740633401 has 2 divisors, whose sum is σ = 740633402. Its totient is φ = 740633400.

The previous prime is 740633363. The next prime is 740633423. The reversal of 740633401 is 104336047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614048400 + 126585001 = 24780^2 + 11251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740633401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740633401.

It is not a weakly prime, because it can be changed into another prime (740633701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370316700 + 370316701.

It is an arithmetic number, because the mean of its divisors is an integer number (370316701).

Almost surely, 2^740633401 is an apocalyptic number.

It is an amenable number.

740633401 is a deficient number, since it is larger than the sum of its proper divisors (1).

740633401 is an equidigital number, since it uses as much as digits as its factorization.

740633401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 740633401 is about 27214.5806691928. The cubic root of 740633401 is about 904.7621653546.

Adding to 740633401 its reverse (104336047), we get a palindrome (844969448).

The spelling of 740633401 in words is "seven hundred forty million, six hundred thirty-three thousand, four hundred one".