740315405 has 16 divisors (see below), whose sum is σ = 943922160. Its totient is φ = 557395456.

The previous prime is 740315369. The next prime is 740315417. The reversal of 740315405 is 504513047.

It can be written as a sum of positive squares in 8 ways, for example, as 52722121 + 687593284 = 7261^2 + 26222^2 .

It is not a de Polignac number, because 740315405 - 2⁶ = 740315341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9497 + ... + 39633.

It is an arithmetic number, because the mean of its divisors is an integer number (58995135).

Almost surely, 2^740315405 is an apocalyptic number.

It is an amenable number.

740315405 is a deficient number, since it is larger than the sum of its proper divisors (203606755).

740315405 is an equidigital number, since it uses as much as digits as its factorization.

740315405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30193 (or 30159 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 740315405 is about 27208.7376590683. The cubic root of 740315405 is about 904.6326582166.

The spelling of 740315405 in words is "seven hundred forty million, three hundred fifteen thousand, four hundred five".