42751206 has 32 divisors (see below), whose sum is σ = 97574880. Its totient is φ = 13864608.

The previous prime is 42751199. The next prime is 42751207. The reversal of 42751206 is 60215724.

It is a super-2 number, since 2×42751206² = 3655331228908872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42751206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751207) 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, 8701 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (3049215).

Almost surely, 2^42751206 is an apocalyptic number.

42751206 is an abundant number, since it is smaller than the sum of its proper divisors (54823674).

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

42751206 is a wasteful number, since it uses less digits than its factorization.

42751206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21445 (or 21439 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42751206 is about 6538.4406397856. The cubic root of 42751206 is about 349.6628208546.

The spelling of 42751206 in words is "forty-two million, seven hundred fifty-one thousand, two hundred six".