42715380 has 24 divisors (see below), whose sum is σ = 119603232. Its totient is φ = 11390752.

The previous prime is 42715357. The next prime is 42715391. The reversal of 42715380 is 8351724.

42715380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355902 + ... + 356021.

It is an arithmetic number, because the mean of its divisors is an integer number (4983468).

Almost surely, 2^42715380 is an apocalyptic number.

It is an amenable number.

42715380 is an abundant number, since it is smaller than the sum of its proper divisors (76887852).

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

42715380 is a wasteful number, since it uses less digits than its factorization.

42715380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711935 (or 711933 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 42715380 is about 6535.7004215310. The cubic root of 42715380 is about 349.5651197425.

The spelling of 42715380 in words is "forty-two million, seven hundred fifteen thousand, three hundred eighty".