71994048 has 224 divisors, whose sum is σ = 242279424. Its totient is φ = 18382848.

The previous prime is 71994029. The next prime is 71994061. The reversal of 71994048 is 84049917.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525436 + ... + 525572.

Almost surely, 2^71994048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71994048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121139712).

71994048 is an abundant number, since it is smaller than the sum of its proper divisors (170285376).

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

71994048 is a wasteful number, since it uses less digits than its factorization.

71994048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 71994048 is about 8484.9306420265. The cubic root of 71994048 is about 416.0053007214.

The spelling of 71994048 in words is "seventy-one million, nine hundred ninety-four thousand, forty-eight".