2471742 has 64 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 650592.

The previous prime is 2471737. The next prime is 2471743.

It is a happy number.

2471742 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2471742² = 12219017029128, which contains 22 as substring.

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 (2471743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4663 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (105840).

2^2471742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2471742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2471742 is an abundant number, since it is smaller than the sum of its proper divisors (4302018).

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

2471742 is a wasteful number, since it uses less digits than its factorization.

2471742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 528 counting only the distinct ones).

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

The square root of 2471742 is about 1572.1774708982. The cubic root of 2471742 is about 135.2075818840.

The spelling of 2471742 in words is "two million, four hundred seventy-one thousand, seven hundred forty-two".