71394650 has 12 divisors (see below), whose sum is σ = 132794142. Its totient is φ = 28557840.

The previous prime is 71394637. The next prime is 71394703. The reversal of 71394650 is 5649317.

It can be written as a sum of positive squares in 3 ways, for example, as 36808489 + 34586161 = 6067^2 + 5881^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71394650.

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 5 ways as a sum of consecutive naturals, for example, 713897 + ... + 713996.

Almost surely, 2^71394650 is an apocalyptic number.

71394650 is a deficient number, since it is larger than the sum of its proper divisors (61399492).

71394650 is a wasteful number, since it uses less digits than its factorization.

71394650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427905 (or 1427900 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 71394650 is about 8449.5354901912. The cubic root of 71394650 is about 414.8475755130.

The spelling of 71394650 in words is "seventy-one million, three hundred ninety-four thousand, six hundred fifty".