7161387 has 16 divisors (see below), whose sum is σ = 9895200. Its totient is φ = 4603392.

The previous prime is 7161379. The next prime is 7161421. The reversal of 7161387 is 7831617.

It is not a de Polignac number, because 7161387 - 2³ = 7161379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7161317) 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, 16323 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (618450).

Almost surely, 2^7161387 is an apocalyptic number.

7161387 is a deficient number, since it is larger than the sum of its proper divisors (2733813).

7161387 is a wasteful number, since it uses less digits than its factorization.

7161387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its digits is 7056, while the sum is 33.

The square root of 7161387 is about 2676.0767926201. The cubic root of 7161387 is about 192.7520687281.

The spelling of 7161387 in words is "seven million, one hundred sixty-one thousand, three hundred eighty-seven".