842073786 has 32 divisors (see below), whose sum is σ = 1882500480. Its totient is φ = 279007488.

The previous prime is 842073751. The next prime is 842073823. The reversal of 842073786 is 687370248.

It is a happy number.

It is a super-2 number, since 2×842073786² = 1418176522136747592, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 37671 + ... + 55706.

It is an arithmetic number, because the mean of its divisors is an integer number (58828140).

Almost surely, 2^842073786 is an apocalyptic number.

842073786 is an abundant number, since it is smaller than the sum of its proper divisors (1040426694).

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

842073786 is a wasteful number, since it uses less digits than its factorization.

842073786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93555 (or 93549 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 842073786 is about 29018.5076459835. The cubic root of 842073786 is about 944.3146252394.

The spelling of 842073786 in words is "eight hundred forty-two million, seventy-three thousand, seven hundred eighty-six".