4721117 has 4 divisors (see below), whose sum is σ = 4764540. Its totient is φ = 4677696.

The previous prime is 4721107. The next prime is 4721137. The reversal of 4721117 is 7111274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 481636 = 2059^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 4721117 - 2¹² = 4717021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4721092 and 4721101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21548 + ... + 21765.

It is an arithmetic number, because the mean of its divisors is an integer number (1191135).

Almost surely, 2^4721117 is an apocalyptic number.

It is an amenable number.

4721117 is a deficient number, since it is larger than the sum of its proper divisors (43423).

4721117 is a wasteful number, since it uses less digits than its factorization.

4721117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43422.

The product of its digits is 392, while the sum is 23.

The square root of 4721117 is about 2172.8131534948. The cubic root of 4721117 is about 167.7573618452.

The spelling of 4721117 in words is "four million, seven hundred twenty-one thousand, one hundred seventeen".