71522654 has 24 divisors (see below), whose sum is σ = 125384040. Its totient is φ = 30509136.

The previous prime is 71522653. The next prime is 71522657. The reversal of 71522654 is 45622517.

It is a self number, because there is not a number n which added to its sum of digits gives 71522654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71522653) 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, 20849 + ... + 24035.

It is an arithmetic number, because the mean of its divisors is an integer number (5224335).

Almost surely, 2^71522654 is an apocalyptic number.

71522654 is a deficient number, since it is larger than the sum of its proper divisors (53861386).

71522654 is a wasteful number, since it uses less digits than its factorization.

71522654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432 (or 3425 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 71522654 is about 8457.1067156564. The cubic root of 71522654 is about 415.0953552597.

The spelling of 71522654 in words is "seventy-one million, five hundred twenty-two thousand, six hundred fifty-four".