142073740 has 12 divisors (see below), whose sum is σ = 298354896. Its totient is φ = 56829488.

The previous prime is 142073719. The next prime is 142073741. The reversal of 142073740 is 47370241.

It is a junction number, because it is equal to n+sod(n) for n = 142073699 and 142073708.

It is not an unprimeable number, because it can be changed into a prime (142073741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551824 + ... + 3551863.

It is an arithmetic number, because the mean of its divisors is an integer number (24862908).

Almost surely, 2^142073740 is an apocalyptic number.

142073740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142073740 is an abundant number, since it is smaller than the sum of its proper divisors (156281156).

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

142073740 is a wasteful number, since it uses less digits than its factorization.

142073740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103696 (or 7103694 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 142073740 is about 11919.4689479020. The cubic root of 142073740 is about 521.8006363259.

The spelling of 142073740 in words is "one hundred forty-two million, seventy-three thousand, seven hundred forty".