71084154 has 32 divisors (see below), whose sum is σ = 145169280. Its totient is φ = 23198400.

The previous prime is 71084107. The next prime is 71084159. The reversal of 71084154 is 45148017.

It is not an unprimeable number, because it can be changed into a prime (71084159) 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 15 ways as a sum of consecutive naturals, for example, 131124 + ... + 131664.

It is an arithmetic number, because the mean of its divisors is an integer number (4536540).

Almost surely, 2^71084154 is an apocalyptic number.

71084154 is an abundant number, since it is smaller than the sum of its proper divisors (74085126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71084154 is a wasteful number, since it uses less digits than its factorization.

71084154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 71084154 is about 8431.1419155415. The cubic root of 71084154 is about 414.2453095865.

The spelling of 71084154 in words is "seventy-one million, eighty-four thousand, one hundred fifty-four".