1427817942 has 72 divisors (see below), whose sum is σ = 3233122776. Its totient is φ = 472881888.

The previous prime is 1427817931. The next prime is 1427817953. The reversal of 1427817942 is 2497187241.

It is an interprime number because it is at equal distance from previous prime (1427817931) and next prime (1427817953).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3057193 + ... + 3057659.

It is an arithmetic number, because the mean of its divisors is an integer number (44904483).

Almost surely, 2^1427817942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427817942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616561388).

1427817942 is an abundant number, since it is smaller than the sum of its proper divisors (1805304834).

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

1427817942 is an frugal number, since it uses more digits than its factorization.

1427817942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 705 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 1427817942 is about 37786.4782958137. The cubic root of 1427817942 is about 1126.0498360014.

The spelling of 1427817942 in words is "one billion, four hundred twenty-seven million, eight hundred seventeen thousand, nine hundred forty-two".