42076746 has 20 divisors (see below), whose sum is σ = 94283442. Its totient is φ = 14025528.

The previous prime is 42076739. The next prime is 42076777. The reversal of 42076746 is 64767024.

It can be written as a sum of positive squares in only one way, i.e., 27720225 + 14356521 = 5265^2 + 3789^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42076746.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 129705 + ... + 130028.

Almost surely, 2^42076746 is an apocalyptic number.

42076746 is an abundant number, since it is smaller than the sum of its proper divisors (52206696).

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

42076746 is a wasteful number, since it uses less digits than its factorization.

42076746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259747 (or 259738 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 42076746 is about 6486.6590784471. The cubic root of 42076746 is about 347.8142587875.

The spelling of 42076746 in words is "forty-two million, seventy-six thousand, seven hundred forty-six".