7007861 has 4 divisors (see below), whose sum is σ = 8008992. Its totient is φ = 6006732.

The previous prime is 7007857. The next prime is 7007867. The reversal of 7007861 is 1687007.

7007861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7007861 - 2² = 7007857 is a prime.

It is a super-2 number, since 2×7007861² = 98220231590642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7007867) 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, 500555 + ... + 500568.

It is an arithmetic number, because the mean of its divisors is an integer number (2002248).

Almost surely, 2^7007861 is an apocalyptic number.

It is an amenable number.

7007861 is a deficient number, since it is larger than the sum of its proper divisors (1001131).

7007861 is a wasteful number, since it uses less digits than its factorization.

7007861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001130.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 7007861 is about 2647.2364835806. The cubic root of 7007861 is about 191.3646988795.

The spelling of 7007861 in words is "seven million, seven thousand, eight hundred sixty-one".