740402 has 8 divisors (see below), whose sum is σ = 1196076. Its totient is φ = 341712.

The previous prime is 740387. The next prime is 740423. The reversal of 740402 is 204047.

It can be written as a sum of positive squares in 2 ways, for example, as 703921 + 36481 = 839^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 14213 + ... + 14264.

2⁷⁴⁰⁴⁰² is an apocalyptic number.

740402 is a deficient number, since it is larger than the sum of its proper divisors (455674).

740402 is a wasteful number, since it uses less digits than its factorization.

740402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28492.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 740402 is about 860.4661527335. The cubic root of 740402 is about 90.4667928594.

Adding to 740402 its reverse (204047), we get a palindrome (944449).

The spelling of 740402 in words is "seven hundred forty thousand, four hundred two", and thus it is an iban number.