7866054 has 48 divisors (see below), whose sum is σ = 19648512. Its totient is φ = 2227824.

The previous prime is 7866041. The next prime is 7866059. The reversal of 7866054 is 4506687.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7866059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20347 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (409344).

Almost surely, 2^7866054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7866054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9824256).

7866054 is an abundant number, since it is smaller than the sum of its proper divisors (11782458).

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

7866054 is a wasteful number, since it uses less digits than its factorization.

7866054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7866054 is about 2804.6486410957. The cubic root of 7866054 is about 198.8774950328.

The spelling of 7866054 in words is "seven million, eight hundred sixty-six thousand, fifty-four".