42377772 has 12 divisors (see below), whose sum is σ = 98881496. Its totient is φ = 14125920.

The previous prime is 42377767. The next prime is 42377773. The reversal of 42377772 is 27777324.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42377772.

It is not an unprimeable number, because it can be changed into a prime (42377773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765729 + ... + 1765752.

Almost surely, 2^42377772 is an apocalyptic number.

It is an amenable number.

42377772 is an abundant number, since it is smaller than the sum of its proper divisors (56503724).

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

42377772 is a wasteful number, since it uses less digits than its factorization.

42377772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531488 (or 3531486 counting only the distinct ones).

The product of its digits is 115248, while the sum is 39.

The square root of 42377772 is about 6509.8211957012. The cubic root of 42377772 is about 348.6417343565.

The spelling of 42377772 in words is "forty-two million, three hundred seventy-seven thousand, seven hundred seventy-two".