1442740734 has 80 divisors (see below), whose sum is σ = 3571954848. Its totient is φ = 432926208.

The previous prime is 1442740727. The next prime is 1442740823. The reversal of 1442740734 is 4370472441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 51954 + ... + 74730.

Almost surely, 2^1442740734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442740734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785977424).

1442740734 is an abundant number, since it is smaller than the sum of its proper divisors (2129214114).

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

1442740734 is a wasteful number, since it uses less digits than its factorization.

1442740734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22831 (or 22822 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 1442740734 is about 37983.4270965641. The cubic root of 1442740734 is about 1129.9592054607.

The spelling of 1442740734 in words is "one billion, four hundred forty-two million, seven hundred forty thousand, seven hundred thirty-four".