740629 has 6 divisors (see below), whose sum is σ = 762594. Its totient is φ = 719280.

The previous prime is 740603. The next prime is 740651. The reversal of 740629 is 926047.

740629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 378225 + 362404 = 615^2 + 602^2 .

It is not a de Polignac number, because 740629 - 2¹¹ = 738581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740597 and 740606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1099 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (127099).

2⁷⁴⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

740629 is a deficient number, since it is larger than the sum of its proper divisors (21965).

740629 is an equidigital number, since it uses as much as digits as its factorization.

740629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 740629 is about 860.5980478714. The cubic root of 740629 is about 90.4760373255.

It can be divided in two parts, 740 and 629, that added together give a square (1369 = 37²).

The spelling of 740629 in words is "seven hundred forty thousand, six hundred twenty-nine".