7921160 has 32 divisors (see below), whose sum is σ = 19194840. Its totient is φ = 2924544.

The previous prime is 7921153. The next prime is 7921169. The reversal of 7921160 is 611297.

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 4468996 = 1858^2 + 2114^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (7921169) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7097 + ... + 8136.

Almost surely, 2^7921160 is an apocalyptic number.

It is an amenable number.

7921160 is an abundant number, since it is smaller than the sum of its proper divisors (11273680).

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

7921160 is a wasteful number, since it uses less digits than its factorization.

7921160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15257 (or 15253 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 7921160 is about 2814.4555423740. The cubic root of 7921160 is about 199.3408298604.

The spelling of 7921160 in words is "seven million, nine hundred twenty-one thousand, one hundred sixty".