71983548 has 216 divisors, whose sum is σ = 236444208. Its totient is φ = 18289152.

The previous prime is 71983547. The next prime is 71983601. The reversal of 71983548 is 84538917.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71983547) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 986040 + ... + 986112.

Almost surely, 2^71983548 is an apocalyptic number.

71983548 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71983548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118222104).

71983548 is an abundant number, since it is smaller than the sum of its proper divisors (164460660).

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

71983548 is a wasteful number, since it uses less digits than its factorization.

71983548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 141 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 71983548 is about 8484.3118754558. The cubic root of 71983548 is about 415.9850755864.

The spelling of 71983548 in words is "seventy-one million, nine hundred eighty-three thousand, five hundred forty-eight".