3721120518 has 8 divisors (see below), whose sum is σ = 7442241048. Its totient is φ = 1240373504.

The previous prime is 3721120511. The next prime is 3721120547. The reversal of 3721120518 is 8150211273.

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

3721120518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721120511) 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, 310093371 + ... + 310093382.

It is an arithmetic number, because the mean of its divisors is an integer number (930280131).

Almost surely, 2^3721120518 is an apocalyptic number.

3721120518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3721120518 is a wasteful number, since it uses less digits than its factorization.

3721120518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620186758.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 3721120518 is about 61000.9878444604. The cubic root of 3721120518 is about 1549.6177368816.

The spelling of 3721120518 in words is "three billion, seven hundred twenty-one million, one hundred twenty thousand, five hundred eighteen".