740008 has 16 divisors (see below), whose sum is σ = 1396980. Its totient is φ = 367488.

The previous prime is 739969. The next prime is 740011. The reversal of 740008 is 800047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 3844 = 858^2 + 62^2 .

It is a super-2 number, since 2×740008² = 1095223680128, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 2062.

2⁷⁴⁰⁰⁰⁸ is an apocalyptic number.

It is an amenable number.

740008 is a deficient number, since it is larger than the sum of its proper divisors (656972).

740008 is a wasteful number, since it uses less digits than its factorization.

740008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 740008 is about 860.2371765972. The cubic root of 740008 is about 90.4507429114.

The spelling of 740008 in words is "seven hundred forty thousand, eight".