5420178 has 24 divisors (see below), whose sum is σ = 12435228. Its totient is φ = 1700352.

The previous prime is 5420171. The next prime is 5420179. The reversal of 5420178 is 8710245.

It can be written as a sum of positive squares in 2 ways, for example, as 4549689 + 870489 = 2133^2 + 933^2 .

It is not an unprimeable number, because it can be changed into a prime (5420171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8551 + ... + 9162.

Almost surely, 2^5420178 is an apocalyptic number.

5420178 is an abundant number, since it is smaller than the sum of its proper divisors (7015050).

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

5420178 is a wasteful number, since it uses less digits than its factorization.

5420178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17738 (or 17735 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 5420178 is about 2328.1275738241. The cubic root of 5420178 is about 175.6593142679.

The spelling of 5420178 in words is "five million, four hundred twenty thousand, one hundred seventy-eight".