1371742 has 8 divisors (see below), whose sum is σ = 2101536. Its totient is φ = 671232.

The previous prime is 1371731. The next prime is 1371749. The reversal of 1371742 is 2471731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1371742² = 3763352229128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371749) 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 3 ways as a sum of consecutive naturals, for example, 7203 + ... + 7390.

It is an arithmetic number, because the mean of its divisors is an integer number (262692).

2^1371742 is an apocalyptic number.

1371742 is a deficient number, since it is larger than the sum of its proper divisors (729794).

1371742 is a wasteful number, since it uses less digits than its factorization.

1371742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14642.

The product of its digits is 1176, while the sum is 25.

The square root of 1371742 is about 1171.2139001907. The cubic root of 1371742 is about 111.1111080741. Note that the first 4 decimals are identical.

The spelling of 1371742 in words is "one million, three hundred seventy-one thousand, seven hundred forty-two".