71917054 has 32 divisors (see below), whose sum is σ = 120185856. Its totient is φ = 32003520.

The previous prime is 71917049. The next prime is 71917103. The reversal of 71917054 is 45071917.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322387 + ... + 322609.

It is an arithmetic number, because the mean of its divisors is an integer number (3755808).

Almost surely, 2^71917054 is an apocalyptic number.

71917054 is a deficient number, since it is larger than the sum of its proper divisors (48268802).

71917054 is a wasteful number, since it uses less digits than its factorization.

71917054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 71917054 is about 8480.3923258302. The cubic root of 71917054 is about 415.8569489343.

The spelling of 71917054 in words is "seventy-one million, nine hundred seventeen thousand, fifty-four".