42401678 has 8 divisors (see below), whose sum is σ = 69384600. Its totient is φ = 19273480.

The previous prime is 42401657. The next prime is 42401717. The reversal of 42401678 is 87610424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963653 + ... + 963696.

It is an arithmetic number, because the mean of its divisors is an integer number (8673075).

Almost surely, 2^42401678 is an apocalyptic number.

42401678 is a deficient number, since it is larger than the sum of its proper divisors (26982922).

42401678 is a wasteful number, since it uses less digits than its factorization.

42401678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927362.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 42401678 is about 6511.6570855659. The cubic root of 42401678 is about 348.7072802167.

The spelling of 42401678 in words is "forty-two million, four hundred one thousand, six hundred seventy-eight".