42958047 has 16 divisors (see below), whose sum is σ = 63816192. Its totient is φ = 25480320.

The previous prime is 42958021. The next prime is 42958049. The reversal of 42958047 is 74085924.

It is not a de Polignac number, because 42958047 - 2⁷ = 42957919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42957996 and 42958014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42958049) 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, 12298 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (3988512).

Almost surely, 2^42958047 is an apocalyptic number.

42958047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42958047 is a deficient number, since it is larger than the sum of its proper divisors (20858145).

42958047 is a wasteful number, since it uses less digits than its factorization.

42958047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27758.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 42958047 is about 6554.2388574113. The cubic root of 42958047 is about 350.2258324848.

The spelling of 42958047 in words is "forty-two million, nine hundred fifty-eight thousand, forty-seven".