4721293 has 8 divisors (see below), whose sum is σ = 4843800. Its totient is φ = 4600128.

The previous prime is 4721263. The next prime is 4721303. The reversal of 4721293 is 3921274.

It can be written as a sum of positive squares in 4 ways, for example, as 1630729 + 3090564 = 1277^2 + 1758^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4721293 - 2⁵ = 4721261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11943 + ... + 12331.

It is an arithmetic number, because the mean of its divisors is an integer number (605475).

Almost surely, 2^4721293 is an apocalyptic number.

It is an amenable number.

4721293 is a deficient number, since it is larger than the sum of its proper divisors (122507).

4721293 is a wasteful number, since it uses less digits than its factorization.

4721293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

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

The square root of 4721293 is about 2172.8536536085. The cubic root of 4721293 is about 167.7594464457.

The spelling of 4721293 in words is "four million, seven hundred twenty-one thousand, two hundred ninety-three".