42354477 has 72 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 22999680.

The previous prime is 42354467. The next prime is 42354479. The reversal of 42354477 is 77445324.

42354477 is a `hidden beast` number, since 42 + 3 + 544 + 77 = 666.

It is not a de Polignac number, because 42354477 - 2¹⁸ = 42092333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42354479) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 475849 + ... + 475937.

It is an arithmetic number, because the mean of its divisors is an integer number (1037400).

Almost surely, 2^42354477 is an apocalyptic number.

It is an amenable number.

42354477 is a deficient number, since it is larger than the sum of its proper divisors (32338323).

42354477 is a wasteful number, since it uses less digits than its factorization.

42354477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 145 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 42354477 is about 6508.0317301009. The cubic root of 42354477 is about 348.5778400284.

The spelling of 42354477 in words is "forty-two million, three hundred fifty-four thousand, four hundred seventy-seven".