71383650 has 48 divisors (see below), whose sum is σ = 190654464. Its totient is φ = 17570880.

The previous prime is 71383601. The next prime is 71383657. The reversal of 71383650 is 5638317.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71383657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16354 + ... + 20253.

It is an arithmetic number, because the mean of its divisors is an integer number (3971968).

Almost surely, 2^71383650 is an apocalyptic number.

71383650 is an abundant number, since it is smaller than the sum of its proper divisors (119270814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71383650 is a wasteful number, since it uses less digits than its factorization.

71383650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36635 (or 36630 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 71383650 is about 8448.8845417605. The cubic root of 71383650 is about 414.8262687918.

The spelling of 71383650 in words is "seventy-one million, three hundred eighty-three thousand, six hundred fifty".