740261636 has 6 divisors (see below), whose sum is σ = 1295457870. Its totient is φ = 370130816.

The previous prime is 740261633. The next prime is 740261659. The reversal of 740261636 is 636162047.

It can be written as a sum of positive squares in only one way, i.e., 723287236 + 16974400 = 26894^2 + 4120^2 .

It is a junction number, because it is equal to n+sod(n) for n = 740261596 and 740261605.

It is not an unprimeable number, because it can be changed into a prime (740261633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92532701 + ... + 92532708.

It is an arithmetic number, because the mean of its divisors is an integer number (215909645).

Almost surely, 2^740261636 is an apocalyptic number.

It is an amenable number.

740261636 is a deficient number, since it is larger than the sum of its proper divisors (555196234).

740261636 is a wasteful number, since it uses less digits than its factorization.

740261636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185065413 (or 185065411 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 740261636 is about 27207.7495578006. The cubic root of 740261636 is about 904.6107565736.

The spelling of 740261636 in words is "seven hundred forty million, two hundred sixty-one thousand, six hundred thirty-six".