7640799 has 16 divisors (see below), whose sum is σ = 10606464. Its totient is φ = 4888800.

The previous prime is 7640777. The next prime is 7640821. The reversal of 7640799 is 9970467.

It is an interprime number because it is at equal distance from previous prime (7640777) and next prime (7640821).

It is not a de Polignac number, because 7640799 - 2⁵ = 7640767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7640799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7640749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7384 + ... + 8354.

It is an arithmetic number, because the mean of its divisors is an integer number (662904).

Almost surely, 2^7640799 is an apocalyptic number.

7640799 is a deficient number, since it is larger than the sum of its proper divisors (2965665).

7640799 is a wasteful number, since it uses less digits than its factorization.

7640799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 7640799 is about 2764.1995224658. The cubic root of 7640799 is about 196.9607057429.

The spelling of 7640799 in words is "seven million, six hundred forty thousand, seven hundred ninety-nine".