740380 has 12 divisors (see below), whose sum is σ = 1554840. Its totient is φ = 296144.

The previous prime is 740371. The next prime is 740387. The reversal of 740380 is 83047.

740380 = T₂₀₇ + T₂₀₈ + ... + T₂₃₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18490 + ... + 18529.

It is an arithmetic number, because the mean of its divisors is an integer number (129570).

2⁷⁴⁰³⁸⁰ is an apocalyptic number.

It is an amenable number.

740380 is an abundant number, since it is smaller than the sum of its proper divisors (814460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

740380 is a wasteful number, since it uses less digits than its factorization.

740380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37028 (or 37026 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 740380 is about 860.4533688702. The cubic root of 740380 is about 90.4658968195.

The spelling of 740380 in words is "seven hundred forty thousand, three hundred eighty".