74443678 has 8 divisors (see below), whose sum is σ = 112415400. Its totient is φ = 36971880.

The previous prime is 74443673. The next prime is 74443687. The reversal of 74443678 is 87634447.

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

It is a super-2 number, since 2×74443678² = 11083722388335368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74443673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124608 + ... + 125203.

It is an arithmetic number, because the mean of its divisors is an integer number (14051925).

Almost surely, 2^74443678 is an apocalyptic number.

74443678 is a deficient number, since it is larger than the sum of its proper divisors (37971722).

74443678 is a wasteful number, since it uses less digits than its factorization.

74443678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249962.

The product of its digits is 451584, while the sum is 43.

The square root of 74443678 is about 8628.0749880840. The cubic root of 74443678 is about 420.6710323874.

The spelling of 74443678 in words is "seventy-four million, four hundred forty-three thousand, six hundred seventy-eight".