7440068 has 6 divisors (see below), whose sum is σ = 13020126. Its totient is φ = 3720032.

The previous prime is 7440061. The next prime is 7440089. The reversal of 7440068 is 8600447.

It can be written as a sum of positive squares in only one way, i.e., 6190144 + 1249924 = 2488^2 + 1118^2 .

It is a super-2 number, since 2×7440068² = 110709223689248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7440068.

It is not an unprimeable number, because it can be changed into a prime (7440061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930005 + ... + 930012.

It is an arithmetic number, because the mean of its divisors is an integer number (2170021).

Almost surely, 2^7440068 is an apocalyptic number.

It is an amenable number.

7440068 is a deficient number, since it is larger than the sum of its proper divisors (5580058).

7440068 is a wasteful number, since it uses less digits than its factorization.

7440068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860021 (or 1860019 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 7440068 is about 2727.6488043735. The cubic root of 7440068 is about 195.2205962882.

The spelling of 7440068 in words is "seven million, four hundred forty thousand, sixty-eight".