7440620 has 48 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 2616000.

The previous prime is 7440619. The next prime is 7440637. The reversal of 7440620 is 260447.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6275 + ... + 7365.

It is an arithmetic number, because the mean of its divisors is an integer number (366912).

Almost surely, 2^7440620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7440620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8805888).

7440620 is an abundant number, since it is smaller than the sum of its proper divisors (10171156).

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

7440620 is a wasteful number, since it uses less digits than its factorization.

7440620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7440620 is about 2727.7499885437. The cubic root of 7440620 is about 195.2254241609.

The spelling of 7440620 in words is "seven million, four hundred forty thousand, six hundred twenty".