71903368 has 8 divisors (see below), whose sum is σ = 134818830. Its totient is φ = 35951680.

The previous prime is 71903357. The next prime is 71903401. The reversal of 71903368 is 86330917.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 8191044 = 7982^2 + 2862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4493953 + ... + 4493968.

Almost surely, 2^71903368 is an apocalyptic number.

It is an amenable number.

71903368 is a deficient number, since it is larger than the sum of its proper divisors (62915462).

71903368 is a wasteful number, since it uses less digits than its factorization.

71903368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987927 (or 8987923 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 71903368 is about 8479.5853672217. The cubic root of 71903368 is about 415.8305677125.

The spelling of 71903368 in words is "seventy-one million, nine hundred three thousand, three hundred sixty-eight".