42477750 has 256 divisors, whose sum is σ = 143769600. Its totient is φ = 9072000.

The previous prime is 42477737. The next prime is 42477769. The reversal of 42477750 is 5777424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1370235 + ... + 1370265.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

Almost surely, 2^42477750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42477750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71884800).

42477750 is an abundant number, since it is smaller than the sum of its proper divisors (101291850).

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

42477750 is a wasteful number, since it uses less digits than its factorization.

42477750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 42477750 is about 6517.4956846936. The cubic root of 42477750 is about 348.9156918763.

The spelling of 42477750 in words is "forty-two million, four hundred seventy-seven thousand, seven hundred fifty".