71416015 has 12 divisors (see below), whose sum is σ = 94199112. Its totient is φ = 51938480.

The previous prime is 71416013. The next prime is 71416021. The reversal of 71416015 is 51061417.

It is a happy number.

It is not a de Polignac number, because 71416015 - 2¹ = 71416013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71416013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58417 + ... + 59626.

It is an arithmetic number, because the mean of its divisors is an integer number (7849926).

Almost surely, 2^71416015 is an apocalyptic number.

71416015 is a deficient number, since it is larger than the sum of its proper divisors (22783097).

71416015 is a wasteful number, since it uses less digits than its factorization.

71416015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118070 (or 118059 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 71416015 is about 8450.7996663038. The cubic root of 71416015 is about 414.8889527240. Note that the first 3 decimals are identical.

The spelling of 71416015 in words is "seventy-one million, four hundred sixteen thousand, fifteen".