4740405 has 16 divisors (see below), whose sum is σ = 7984320. Its totient is φ = 2395008.

The previous prime is 4740397. The next prime is 4740409. The reversal of 4740405 is 5040474.

4740405 = 684² + 685² + ... + 693².

It is not a de Polignac number, because 4740405 - 2³ = 4740397 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4740409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8032 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (499020).

Almost surely, 2^4740405 is an apocalyptic number.

It is an amenable number.

4740405 is a deficient number, since it is larger than the sum of its proper divisors (3243915).

4740405 is a wasteful number, since it uses less digits than its factorization.

4740405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16660.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4740405 is about 2177.2471150515. The cubic root of 4740405 is about 167.9855075367.

Adding to 4740405 its reverse (5040474), we get a palindrome (9780879).

The spelling of 4740405 in words is "four million, seven hundred forty thousand, four hundred five".