74546642 has 8 divisors (see below), whose sum is σ = 111878832. Its totient is φ = 37253700.

The previous prime is 74546627. The next prime is 74546713. The reversal of 74546642 is 24664547.

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

It is a junction number, because it is equal to n+sod(n) for n = 74546596 and 74546605.

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, 4484 + ... + 13007.

It is an arithmetic number, because the mean of its divisors is an integer number (13984854).

Almost surely, 2^74546642 is an apocalyptic number.

74546642 is a deficient number, since it is larger than the sum of its proper divisors (37332190).

74546642 is a wasteful number, since it uses less digits than its factorization.

74546642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19624.

The product of its digits is 161280, while the sum is 38.

The square root of 74546642 is about 8634.0397265706. The cubic root of 74546642 is about 420.8648881958.

The spelling of 74546642 in words is "seventy-four million, five hundred forty-six thousand, six hundred forty-two".