42872692 has 6 divisors (see below), whose sum is σ = 75027218. Its totient is φ = 21436344.

The previous prime is 42872671. The next prime is 42872717. The reversal of 42872692 is 29627824.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 7873636 = 5916^2 + 2806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5359083 + ... + 5359090.

Almost surely, 2^42872692 is an apocalyptic number.

It is an amenable number.

42872692 is a deficient number, since it is larger than the sum of its proper divisors (32154526).

42872692 is a wasteful number, since it uses less digits than its factorization.

42872692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10718177 (or 10718175 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 42872692 is about 6547.7241847836. The cubic root of 42872692 is about 349.9937196152.

The spelling of 42872692 in words is "forty-two million, eight hundred seventy-two thousand, six hundred ninety-two".