7640460 has 48 divisors (see below), whose sum is σ = 23772000. Its totient is φ = 2037312.

The previous prime is 7640453. The next prime is 7640471. The reversal of 7640460 is 640467.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 6535 + ... + 7614.

It is an arithmetic number, because the mean of its divisors is an integer number (495250).

Almost surely, 2^7640460 is an apocalyptic number.

It is an amenable number.

7640460 is an abundant number, since it is smaller than the sum of its proper divisors (16131540).

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

7640460 is a wasteful number, since it uses less digits than its factorization.

7640460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167 (or 14159 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7640460 is about 2764.1382020442. The cubic root of 7640460 is about 196.9577928422.

It can be divided in two parts, 7640 and 460, that added together give a square (8100 = 90²).

The spelling of 7640460 in words is "seven million, six hundred forty thousand, four hundred sixty".