6172440 has 32 divisors (see below), whose sum is σ = 18517680. Its totient is φ = 1645952.

The previous prime is 6172421. The next prime is 6172477. The reversal of 6172440 is 442716.

6172440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6172440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25599 + ... + 25838.

Almost surely, 2^6172440 is an apocalyptic number.

6172440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6172440 is an abundant number, since it is smaller than the sum of its proper divisors (12345240).

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

6172440 is a wasteful number, since it uses less digits than its factorization.

6172440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51451 (or 51447 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 6172440 is about 2484.4395746325. The cubic root of 6172440 is about 183.4364452100.

The spelling of 6172440 in words is "six million, one hundred seventy-two thousand, four hundred forty".