42880670 has 64 divisors (see below), whose sum is σ = 92123136. Its totient is φ = 14065920.

The previous prime is 42880667. The next prime is 42880679. The reversal of 42880670 is 7608824.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42880670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42880679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192179 + ... + 192401.

It is an arithmetic number, because the mean of its divisors is an integer number (1439424).

Almost surely, 2^42880670 is an apocalyptic number.

42880670 is an abundant number, since it is smaller than the sum of its proper divisors (49242466).

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

42880670 is a wasteful number, since it uses less digits than its factorization.

42880670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 42880670 is about 6548.3333757529. Note that the first 4 decimals coincide. The cubic root of 42880670 is about 350.0154278914.

It can be divided in two parts, 42880 and 670, that multiplied together give a square (28729600 = 5360²).

The spelling of 42880670 in words is "forty-two million, eight hundred eighty thousand, six hundred seventy".