42377478 has 32 divisors (see below), whose sum is σ = 99574272. Its totient is φ = 11853600.

The previous prime is 42377459. The next prime is 42377507. The reversal of 42377478 is 87477324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23838 + ... + 25553.

It is an arithmetic number, because the mean of its divisors is an integer number (3111696).

Almost surely, 2^42377478 is an apocalyptic number.

42377478 is an abundant number, since it is smaller than the sum of its proper divisors (57196794).

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

42377478 is a wasteful number, since it uses less digits than its factorization.

42377478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49420.

The product of its digits is 263424, while the sum is 42.

The square root of 42377478 is about 6509.7986143966. The cubic root of 42377478 is about 348.6409281091.

The spelling of 42377478 in words is "forty-two million, three hundred seventy-seven thousand, four hundred seventy-eight".