71147054 has 16 divisors (see below), whose sum is σ = 119263536. Its totient is φ = 31550400.

The previous prime is 71147047. The next prime is 71147071. The reversal of 71147054 is 45074117.

71147054 = T₂₀₆₀ + T₂₀₆₁ + ... + T₂₀₉₂.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38537 + ... + 40340.

It is an arithmetic number, because the mean of its divisors is an integer number (7453971).

Almost surely, 2^71147054 is an apocalyptic number.

71147054 is a deficient number, since it is larger than the sum of its proper divisors (48116482).

71147054 is a wasteful number, since it uses less digits than its factorization.

71147054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78931.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 71147054 is about 8434.8713090361. The cubic root of 71147054 is about 414.3674575239.

The spelling of 71147054 in words is "seventy-one million, one hundred forty-seven thousand, fifty-four".