71673394 has 32 divisors (see below), whose sum is σ = 123451776. Its totient is φ = 30915840.

The previous prime is 71673373. The next prime is 71673401. The reversal of 71673394 is 49337617.

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 15 ways as a sum of consecutive naturals, for example, 73329 + ... + 74299.

It is an arithmetic number, because the mean of its divisors is an integer number (3857868).

Almost surely, 2^71673394 is an apocalyptic number.

71673394 is a deficient number, since it is larger than the sum of its proper divisors (51778382).

71673394 is a wasteful number, since it uses less digits than its factorization.

71673394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its digits is 95256, while the sum is 40.

The square root of 71673394 is about 8466.0140562132. The cubic root of 71673394 is about 415.3867667382.

The spelling of 71673394 in words is "seventy-one million, six hundred seventy-three thousand, three hundred ninety-four".