7641380 has 12 divisors (see below), whose sum is σ = 16046940. Its totient is φ = 3056544.

The previous prime is 7641379. The next prime is 7641383. The reversal of 7641380 is 831467.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 2184484 = 2336^2 + 1478^2 .

It is not an unprimeable number, because it can be changed into a prime (7641383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191015 + ... + 191054.

It is an arithmetic number, because the mean of its divisors is an integer number (1337245).

Almost surely, 2^7641380 is an apocalyptic number.

It is an amenable number.

7641380 is an abundant number, since it is smaller than the sum of its proper divisors (8405560).

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

7641380 is a wasteful number, since it uses less digits than its factorization.

7641380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382078 (or 382076 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7641380 is about 2764.3046141842. The cubic root of 7641380 is about 196.9656978592.

The spelling of 7641380 in words is "seven million, six hundred forty-one thousand, three hundred eighty".