7801061 has 4 divisors (see below), whose sum is σ = 7808352. Its totient is φ = 7793772.

The previous prime is 7801051. The next prime is 7801063. The reversal of 7801061 is 1601087.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1601087 = 337 ⋅4751.

It is a cyclic number.

It is not a de Polignac number, because 7801061 - 2⁶ = 7800997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7801063) 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, 1691 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (1952088).

Almost surely, 2^7801061 is an apocalyptic number.

It is an amenable number.

7801061 is a deficient number, since it is larger than the sum of its proper divisors (7291).

7801061 is a wasteful number, since it uses less digits than its factorization.

7801061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 7801061 is about 2793.0379517651. The cubic root of 7801061 is about 198.3282400280.

The spelling of 7801061 in words is "seven million, eight hundred one thousand, sixty-one".