42277692 has 12 divisors (see below), whose sum is σ = 98647976. Its totient is φ = 14092560.

The previous prime is 42277681. The next prime is 42277699. The reversal of 42277692 is 29677224.

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 42277692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42277699) 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, 1761559 + ... + 1761582.

Almost surely, 2^42277692 is an apocalyptic number.

It is an amenable number.

42277692 is an abundant number, since it is smaller than the sum of its proper divisors (56370284).

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

42277692 is a wasteful number, since it uses less digits than its factorization.

42277692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523148 (or 3523146 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 42277692 is about 6502.1298049178. The cubic root of 42277692 is about 348.3670654563.

The spelling of 42277692 in words is "forty-two million, two hundred seventy-seven thousand, six hundred ninety-two".