71924416 has 28 divisors (see below), whose sum is σ = 151122888. Its totient is φ = 33846272.

The previous prime is 71924401. The next prime is 71924417. The reversal of 71924416 is 61442917.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (71924417) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31966 + ... + 34141.

It is an arithmetic number, because the mean of its divisors is an integer number (5397246).

Almost surely, 2^71924416 is an apocalyptic number.

It is an amenable number.

71924416 is an abundant number, since it is smaller than the sum of its proper divisors (79198472).

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

71924416 is a wasteful number, since it uses less digits than its factorization.

71924416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66136 (or 66126 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 71924416 is about 8480.8263748293. The cubic root of 71924416 is about 415.8711385886.

The spelling of 71924416 in words is "seventy-one million, nine hundred twenty-four thousand, four hundred sixteen".