42968558 has 4 divisors (see below), whose sum is σ = 64452840. Its totient is φ = 21484278.

The previous prime is 42968539. The next prime is 42968587. The reversal of 42968558 is 85586924.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10742138 + ... + 10742141.

It is an arithmetic number, because the mean of its divisors is an integer number (16113210).

Almost surely, 2^42968558 is an apocalyptic number.

42968558 is a deficient number, since it is larger than the sum of its proper divisors (21484282).

42968558 is a wasteful number, since it uses less digits than its factorization.

42968558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484281.

The product of its digits is 691200, while the sum is 47.

The square root of 42968558 is about 6555.0406558617. The cubic root of 42968558 is about 350.2543946424.

The spelling of 42968558 in words is "forty-two million, nine hundred sixty-eight thousand, five hundred fifty-eight".