71722854 has 32 divisors (see below), whose sum is σ = 182154240. Its totient is φ = 20492136.

The previous prime is 71722843. The next prime is 71722877. The reversal of 71722854 is 45822717.

It is a congruent number.

It is an unprimeable number.

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, 94494 + ... + 95249.

It is an arithmetic number, because the mean of its divisors is an integer number (5692320).

Almost surely, 2^71722854 is an apocalyptic number.

71722854 is an abundant number, since it is smaller than the sum of its proper divisors (110431386).

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

71722854 is a wasteful number, since it uses less digits than its factorization.

71722854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189761 (or 189755 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 71722854 is about 8468.9346437436. The cubic root of 71722854 is about 415.4822940754.

The spelling of 71722854 in words is "seventy-one million, seven hundred twenty-two thousand, eight hundred fifty-four".