42672770 has 32 divisors (see below), whose sum is σ = 89831808. Its totient is φ = 14289408.

The previous prime is 42672713. The next prime is 42672779. The reversal of 42672770 is 7727624.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42672770.

It is not an unprimeable number, because it can be changed into a prime (42672779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079 + ... + 10098.

It is an arithmetic number, because the mean of its divisors is an integer number (2807244).

Almost surely, 2^42672770 is an apocalyptic number.

42672770 is an abundant number, since it is smaller than the sum of its proper divisors (47159038).

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

42672770 is a wasteful number, since it uses less digits than its factorization.

42672770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 42672770 is about 6532.4398198529. The cubic root of 42672770 is about 349.4488468275.

The spelling of 42672770 in words is "forty-two million, six hundred seventy-two thousand, seven hundred seventy".