7640368 has 10 divisors (see below), whose sum is σ = 14803244. Its totient is φ = 3820176.

The previous prime is 7640363. The next prime is 7640371. The reversal of 7640368 is 8630467.

It is a d-powerful number, because it can be written as 7⁸ + 6⁴ + 4 + 0 + 3¹³ + 6⁷ + 8 .

It is not an unprimeable number, because it can be changed into a prime (7640363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238746 + ... + 238777.

Almost surely, 2^7640368 is an apocalyptic number.

It is an amenable number.

7640368 is a deficient number, since it is larger than the sum of its proper divisors (7162876).

7640368 is a wasteful number, since it uses less digits than its factorization.

7640368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477531 (or 477525 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 7640368 is about 2764.1215602791. The cubic root of 7640368 is about 196.9570023056.

Subtracting 7640368 from its reverse (8630467), we obtain a palindrome (990099).

It can be divided in two parts, 7640 and 368, that added together give a palindrome (8008).

The spelling of 7640368 in words is "seven million, six hundred forty thousand, three hundred sixty-eight".