6217120740 has 48 divisors (see below), whose sum is σ = 17419848768. Its totient is φ = 1656764544.

The previous prime is 6217120709. The next prime is 6217120757. The reversal of 6217120740 is 470217126.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6217120698 and 6217120707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54879 + ... + 124281.

It is an arithmetic number, because the mean of its divisors is an integer number (362913516).

Almost surely, 2^6217120740 is an apocalyptic number.

6217120740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6217120740 is an abundant number, since it is smaller than the sum of its proper divisors (11202728028).

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

6217120740 is a wasteful number, since it uses less digits than its factorization.

6217120740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70908 (or 70906 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 6217120740 is about 78848.7205983712. The cubic root of 6217120740 is about 1838.7799824365.

Adding to 6217120740 its reverse (470217126), we get a palindrome (6687337866).

The spelling of 6217120740 in words is "six billion, two hundred seventeen million, one hundred twenty thousand, seven hundred forty".