4720733731 has 8 divisors (see below), whose sum is σ = 5395765760. Its totient is φ = 4045862088.

The previous prime is 4720733713. The next prime is 4720733747. The reversal of 4720733731 is 1373370274.

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 4720733731 - 2²¹ = 4718636579 is a prime.

It is a super-2 number, since 2×4720733731² = 44570653918002360722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4720733431) 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, 31510 + ... + 102148.

It is an arithmetic number, because the mean of its divisors is an integer number (674470720).

Almost surely, 2^4720733731 is an apocalyptic number.

4720733731 is a deficient number, since it is larger than the sum of its proper divisors (675032029).

4720733731 is an equidigital number, since it uses as much as digits as its factorization.

4720733731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80193.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 4720733731 is about 68707.5958755653. The cubic root of 4720733731 is about 1677.5282210481.

The spelling of 4720733731 in words is "four billion, seven hundred twenty million, seven hundred thirty-three thousand, seven hundred thirty-one".