42772368 has 20 divisors (see below), whose sum is σ = 110495408. Its totient is φ = 14257440.

The previous prime is 42772351. The next prime is 42772381. The reversal of 42772368 is 86327724.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445498 + ... + 445593.

Almost surely, 2^42772368 is an apocalyptic number.

42772368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42772368 is an abundant number, since it is smaller than the sum of its proper divisors (67723040).

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

42772368 is a wasteful number, since it uses less digits than its factorization.

42772368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891102 (or 891096 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 42772368 is about 6540.0587153328. The cubic root of 42772368 is about 349.7205061202.

The spelling of 42772368 in words is "forty-two million, seven hundred seventy-two thousand, three hundred sixty-eight".