842725916 has 12 divisors (see below), whose sum is σ = 1475034120. Its totient is φ = 421287600.

The previous prime is 842725907. The next prime is 842725927. The reversal of 842725916 is 619527248.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11891 + ... + 42741.

It is an arithmetic number, because the mean of its divisors is an integer number (122919510).

Almost surely, 2^842725916 is an apocalyptic number.

It is an amenable number.

842725916 is a deficient number, since it is larger than the sum of its proper divisors (632308204).

842725916 is a wasteful number, since it uses less digits than its factorization.

842725916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37684 (or 37682 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 842725916 is about 29029.7419210023. The cubic root of 842725916 is about 944.5583319096.

It can be divided in two parts, 8427 and 25916, that added together give a palindrome (34343).

The spelling of 842725916 in words is "eight hundred forty-two million, seven hundred twenty-five thousand, nine hundred sixteen".