4172742 has 96 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 1115856.

The previous prime is 4172737. The next prime is 4172747. The reversal of 4172742 is 2472714.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4172737) and next prime (4172747).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50233 + ... + 50315.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

Almost surely, 2^4172742 is an apocalyptic number.

4172742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4172742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745600).

4172742 is an abundant number, since it is smaller than the sum of its proper divisors (7318458).

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

4172742 is a wasteful number, since it uses less digits than its factorization.

4172742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 114 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 4172742 is about 2042.7290569236. The cubic root of 4172742 is about 160.9930683846.

The spelling of 4172742 in words is "four million, one hundred seventy-two thousand, seven hundred forty-two".