740206 has 4 divisors (see below), whose sum is σ = 1110312. Its totient is φ = 370102.

The previous prime is 740191. The next prime is 740227. The reversal of 740206 is 602047.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

740206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185050 + ... + 185053.

It is an arithmetic number, because the mean of its divisors is an integer number (277578).

2⁷⁴⁰²⁰⁶ is an apocalyptic number.

740206 is a deficient number, since it is larger than the sum of its proper divisors (370106).

740206 is a wasteful number, since it uses less digits than its factorization.

740206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370105.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 740206 is about 860.3522534404. The cubic root of 740206 is about 90.4588093332.

It can be divided in two parts, 740 and 206, that added together give a triangular number (946 = T₄₃).

The spelling of 740206 in words is "seven hundred forty thousand, two hundred six".