42354772 has 6 divisors (see below), whose sum is σ = 74120858. Its totient is φ = 21177384.

The previous prime is 42354749. The next prime is 42354797. The reversal of 42354772 is 27745324.

It can be written as a sum of positive squares in only one way, i.e., 38489616 + 3865156 = 6204^2 + 1966^2 .

It is a super-2 number, since 2×42354772² = 3587853422343968, which contains 22 as substring.

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, 5294343 + ... + 5294350.

Almost surely, 2^42354772 is an apocalyptic number.

It is an amenable number.

42354772 is a deficient number, since it is larger than the sum of its proper divisors (31766086).

42354772 is a wasteful number, since it uses less digits than its factorization.

42354772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10588697 (or 10588695 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 42354772 is about 6508.0543943640. The cubic root of 42354772 is about 348.5786493110.

The spelling of 42354772 in words is "forty-two million, three hundred fifty-four thousand, seven hundred seventy-two".