71873760 has 96 divisors (see below), whose sum is σ = 258757632. Its totient is φ = 16427520.

The previous prime is 71873759. The next prime is 71873771. The reversal of 71873760 is 6737817.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7336 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (2695392).

Almost surely, 2^71873760 is an apocalyptic number.

71873760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71873760 is an abundant number, since it is smaller than the sum of its proper divisors (186883872).

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

71873760 is a wasteful number, since it uses less digits than its factorization.

71873760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21416 (or 21408 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 71873760 is about 8477.8393473809. The cubic root of 71873760 is about 415.7734836839.

The spelling of 71873760 in words is "seventy-one million, eight hundred seventy-three thousand, seven hundred sixty".