71486994 has 8 divisors (see below), whose sum is σ = 142974000. Its totient is φ = 23828996.

The previous prime is 71486981. The next prime is 71486999. The reversal of 71486994 is 49968417.

It is a sphenic number, since it is the product of 3 distinct primes.

71486994 is an admirable number.

It is a super-2 number, since 2×71486994² = 10220780622312072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71486999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5957244 + ... + 5957255.

It is an arithmetic number, because the mean of its divisors is an integer number (17871750).

Almost surely, 2^71486994 is an apocalyptic number.

71486994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71486994 is a wasteful number, since it uses less digits than its factorization.

71486994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914504.

The product of its digits is 435456, while the sum is 48.

The square root of 71486994 is about 8454.9981667650. The cubic root of 71486994 is about 415.0263572557.

The spelling of 71486994 in words is "seventy-one million, four hundred eighty-six thousand, nine hundred ninety-four".