842554072 has 8 divisors (see below), whose sum is σ = 1579788900. Its totient is φ = 421277032.

The previous prime is 842554067. The next prime is 842554073. The reversal of 842554072 is 270455248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842554073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52659622 + ... + 52659637.

Almost surely, 2^842554072 is an apocalyptic number.

It is an amenable number.

842554072 is a deficient number, since it is larger than the sum of its proper divisors (737234828).

842554072 is a wasteful number, since it uses less digits than its factorization.

842554072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105319265 (or 105319261 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 842554072 is about 29026.7819780285. The cubic root of 842554072 is about 944.4941245111.

The spelling of 842554072 in words is "eight hundred forty-two million, five hundred fifty-four thousand, seventy-two".