7055478 has 16 divisors (see below), whose sum is σ = 15678960. Its totient is φ = 2351808.

The previous prime is 7055471. The next prime is 7055491. The reversal of 7055478 is 8745507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7055471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65275 + ... + 65382.

It is an arithmetic number, because the mean of its divisors is an integer number (979935).

Almost surely, 2^7055478 is an apocalyptic number.

7055478 is an abundant number, since it is smaller than the sum of its proper divisors (8623482).

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

7055478 is a wasteful number, since it uses less digits than its factorization.

7055478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130668 (or 130662 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 7055478 is about 2656.2149762397. The cubic root of 7055478 is about 191.7971490416.

The spelling of 7055478 in words is "seven million, fifty-five thousand, four hundred seventy-eight".