6220740 has 48 divisors (see below), whose sum is σ = 17539200. Its totient is φ = 1647360.

The previous prime is 6220729. The next prime is 6220751. The reversal of 6220740 is 470226.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6220729) and next prime (6220751).

It is a super-2 number, since 2×6220740² = 77395212295200, which contains 22 as substring.

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, 11680 + ... + 12200.

It is an arithmetic number, because the mean of its divisors is an integer number (365400).

Almost surely, 2^6220740 is an apocalyptic number.

6220740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6220740 is an abundant number, since it is smaller than the sum of its proper divisors (11318460).

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

6220740 is a wasteful number, since it uses less digits than its factorization.

6220740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 6220740 is about 2494.1411347396. The cubic root of 6220740 is about 183.9136724844.

Adding to 6220740 its reverse (470226), we get a palindrome (6690966).

It can be divided in two parts, 62 and 20740, that added together give a palindrome (20802).

The spelling of 6220740 in words is "six million, two hundred twenty thousand, seven hundred forty".