740622 has 32 divisors (see below), whose sum is σ = 1609632. Its totient is φ = 226304.

The previous prime is 740603. The next prime is 740651. The reversal of 740622 is 226047.

740622 = 69² + 70² + ... + 136².

It is a happy number.

740622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

740622 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 in 15 ways as a sum of consecutive naturals, for example, 5338 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (50301).

2⁷⁴⁰⁶²² is an apocalyptic number.

740622 is an abundant number, since it is smaller than the sum of its proper divisors (869010).

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

740622 is a wasteful number, since it uses less digits than its factorization.

740622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 740622 is about 860.5939809225. The cubic root of 740622 is about 90.4757522821.

Adding to 740622 its reverse (226047), we get a palindrome (966669).

The spelling of 740622 in words is "seven hundred forty thousand, six hundred twenty-two".