71245806 has 8 divisors (see below), whose sum is σ = 142491624. Its totient is φ = 23748600.

The previous prime is 71245787. The next prime is 71245813. The reversal of 71245806 is 60854217.

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

71245806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5937145 + ... + 5937156.

It is an arithmetic number, because the mean of its divisors is an integer number (17811453).

Almost surely, 2^71245806 is an apocalyptic number.

71245806 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.

71245806 is a wasteful number, since it uses less digits than its factorization.

71245806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874306.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 71245806 is about 8440.7230732918. The cubic root of 71245806 is about 414.5590826877.

The spelling of 71245806 in words is "seventy-one million, two hundred forty-five thousand, eight hundred six".