74388994 has 8 divisors (see below), whose sum is σ = 111637008. Its totient is φ = 37176660.

The previous prime is 74388953. The next prime is 74389019. The reversal of 74388994 is 49988347.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2892 + ... + 12535.

It is an arithmetic number, because the mean of its divisors is an integer number (13954626).

Almost surely, 2^74388994 is an apocalyptic number.

74388994 is a deficient number, since it is larger than the sum of its proper divisors (37248014).

74388994 is a wasteful number, since it uses less digits than its factorization.

74388994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17840.

The product of its digits is 1741824, while the sum is 52.

The square root of 74388994 is about 8624.9054487571. The cubic root of 74388994 is about 420.5680032235.

The spelling of 74388994 in words is "seventy-four million, three hundred eighty-eight thousand, nine hundred ninety-four".