740522 has 4 divisors (see below), whose sum is σ = 1110786. Its totient is φ = 370260.

The previous prime is 740521. The next prime is 740527. The reversal of 740522 is 225047.

740522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225047 = 313 ⋅719.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 303601 = 661^2 + 551^2 .

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 740494 and 740503.

It is not an unprimeable number, because it can be changed into a prime (740521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185129 + ... + 185132.

2⁷⁴⁰⁵²² is an apocalyptic number.

740522 is a deficient number, since it is larger than the sum of its proper divisors (370264).

740522 is a wasteful number, since it uses less digits than its factorization.

740522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370263.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 740522 is about 860.5358795541. The cubic root of 740522 is about 90.4716800372.

Adding to 740522 its reverse (225047), we get a palindrome (965569).

The spelling of 740522 in words is "seven hundred forty thousand, five hundred twenty-two".