71850480 has 80 divisors (see below), whose sum is σ = 239880480. Its totient is φ = 17685504.

The previous prime is 71850461. The next prime is 71850503. The reversal of 71850480 is 8405817.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8395 + ... + 14634.

It is an arithmetic number, because the mean of its divisors is an integer number (2998506).

Almost surely, 2^71850480 is an apocalyptic number.

It is an amenable number.

71850480 is an abundant number, since it is smaller than the sum of its proper divisors (168030000).

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

71850480 is a wasteful number, since it uses less digits than its factorization.

71850480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23058 (or 23052 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 71850480 is about 8476.4662448452. The cubic root of 71850480 is about 415.7285889874.

The spelling of 71850480 in words is "seventy-one million, eight hundred fifty thousand, four hundred eighty".