4721709390 has 32 divisors (see below), whose sum is σ = 11339860896. Its totient is φ = 1258260480.

The previous prime is 4721709389. The next prime is 4721709397. The reversal of 4721709390 is 939071274.

It is a super-2 number, since 2×4721709390² = 44589079127228344200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721709397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8707 + ... + 97566.

It is an arithmetic number, because the mean of its divisors is an integer number (354370653).

Almost surely, 2^4721709390 is an apocalyptic number.

4721709390 is an abundant number, since it is smaller than the sum of its proper divisors (6618151506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4721709390 is a wasteful number, since it uses less digits than its factorization.

4721709390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107764.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 4721709390 is about 68714.6955898082. The cubic root of 4721709390 is about 1677.6437809630.

The spelling of 4721709390 in words is "four billion, seven hundred twenty-one million, seven hundred nine thousand, three hundred ninety".