71554 has 16 divisors (see below), whose sum is σ = 129600. Its totient is φ = 28944.

The previous prime is 71551. The next prime is 71563. The reversal of 71554 is 45517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 400.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

2⁷¹⁵⁵⁴ is an apocalyptic number.

71554 is a deficient number, since it is larger than the sum of its proper divisors (58046).

71554 is a wasteful number, since it uses less digits than its factorization.

71554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its digits is 700, while the sum is 22.

The square root of 71554 is about 267.4957943595. The cubic root of 71554 is about 41.5155987232.

It can be divided in two parts, 71 and 554, that added together give a 4-th power (625 = 5⁴).

The spelling of 71554 in words is "seventy-one thousand, five hundred fifty-four".