42273477 has 12 divisors (see below), whose sum is σ = 61798464. Its totient is φ = 27842280.

The previous prime is 42273437. The next prime is 42273479. The reversal of 42273477 is 77437224.

It is not a de Polignac number, because 42273477 - 2¹⁰ = 42272453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27549 + ... + 29042.

It is an arithmetic number, because the mean of its divisors is an integer number (5149872).

Almost surely, 2^42273477 is an apocalyptic number.

It is an amenable number.

42273477 is a deficient number, since it is larger than the sum of its proper divisors (19524987).

42273477 is a wasteful number, since it uses less digits than its factorization.

42273477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56680 (or 56677 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 42273477 is about 6501.8056722729. The cubic root of 42273477 is about 348.3554879087.

The spelling of 42273477 in words is "forty-two million, two hundred seventy-three thousand, four hundred seventy-seven".