4720402 has 4 divisors (see below), whose sum is σ = 7080606. Its totient is φ = 2360200.

The previous prime is 4720393. The next prime is 4720403. The reversal of 4720402 is 2040274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2040274 = 2 ⋅1020137.

It can be written as a sum of positive squares in only one way, i.e., 4322241 + 398161 = 2079^2 + 631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4720402.

It is not an unprimeable number, because it can be changed into a prime (4720403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180099 + ... + 1180102.

Almost surely, 2^4720402 is an apocalyptic number.

4720402 is a deficient number, since it is larger than the sum of its proper divisors (2360204).

4720402 is a wasteful number, since it uses less digits than its factorization.

4720402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360203.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4720402 is about 2172.6486140193. The cubic root of 4720402 is about 167.7488926228.

Adding to 4720402 its reverse (2040274), we get a palindrome (6760676).

It can be divided in two parts, 47 and 20402, that added together give a square (20449 = 143²).

The spelling of 4720402 in words is "four million, seven hundred twenty thousand, four hundred two".