71090577 has 12 divisors (see below), whose sum is σ = 103426960. Its totient is φ = 47051928.

The previous prime is 71090527. The next prime is 71090581. The reversal of 71090577 is 77509017.

It is not a de Polignac number, because 71090577 - 2⁸ = 71090321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71090507) 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 11 ways as a sum of consecutive naturals, for example, 27163 + ... + 29664.

Almost surely, 2^71090577 is an apocalyptic number.

It is an amenable number.

71090577 is a deficient number, since it is larger than the sum of its proper divisors (32336383).

71090577 is a wasteful number, since it uses less digits than its factorization.

71090577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56972 (or 56969 counting only the distinct ones).

The product of its (nonzero) digits is 15435, while the sum is 36.

The square root of 71090577 is about 8431.5228161940. The cubic root of 71090577 is about 414.2577859606.

The spelling of 71090577 in words is "seventy-one million, ninety thousand, five hundred seventy-seven".