7613971 has 4 divisors (see below), whose sum is σ = 7819792. Its totient is φ = 7408152.

The previous prime is 7613923. The next prime is 7613981. The reversal of 7613971 is 1793167.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1793167 = 181 ⋅9907.

It is a cyclic number.

It is not a de Polignac number, because 7613971 - 2⁷ = 7613843 is a prime.

It is a Duffinian number.

7613971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7613981) 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 3 ways as a sum of consecutive naturals, for example, 102855 + ... + 102928.

It is an arithmetic number, because the mean of its divisors is an integer number (1954948).

Almost surely, 2^7613971 is an apocalyptic number.

7613971 is a deficient number, since it is larger than the sum of its proper divisors (205821).

7613971 is a wasteful number, since it uses less digits than its factorization.

7613971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205820.

The product of its digits is 7938, while the sum is 34.

The square root of 7613971 is about 2759.3424941460. The cubic root of 7613971 is about 196.7299158179.

The spelling of 7613971 in words is "seven million, six hundred thirteen thousand, nine hundred seventy-one".