71487908 has 6 divisors (see below), whose sum is σ = 125103846. Its totient is φ = 35743952.

The previous prime is 71487859. The next prime is 71487917. The reversal of 71487908 is 80978417.

It can be written as a sum of positive squares in only one way, i.e., 57032704 + 14455204 = 7552^2 + 3802^2 .

It is a super-2 number, since 2×71487908² = 10221041980432928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8935985 + ... + 8935992.

It is an arithmetic number, because the mean of its divisors is an integer number (20850641).

Almost surely, 2^71487908 is an apocalyptic number.

It is an amenable number.

71487908 is a deficient number, since it is larger than the sum of its proper divisors (53615938).

71487908 is a wasteful number, since it uses less digits than its factorization.

71487908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17871981 (or 17871979 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 71487908 is about 8455.0522174615. The cubic root of 71487908 is about 415.0281260272.

The spelling of 71487908 in words is "seventy-one million, four hundred eighty-seven thousand, nine hundred eight".