71486748 has 18 divisors (see below), whose sum is σ = 180702704. Its totient is φ = 23828904.

The previous prime is 71486741. The next prime is 71486761. The reversal of 71486748 is 84768417.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×71486748² = 10220710279231008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71486741) by changing a digit.

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, 992836 + ... + 992907.

Almost surely, 2^71486748 is an apocalyptic number.

It is an amenable number.

71486748 is an abundant number, since it is smaller than the sum of its proper divisors (109215956).

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

71486748 is a wasteful number, since it uses less digits than its factorization.

71486748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985753 (or 1985748 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 71486748 is about 8454.9836191444. The cubic root of 71486748 is about 415.0258811942.

The spelling of 71486748 in words is "seventy-one million, four hundred eighty-six thousand, seven hundred forty-eight".