71250432 has 80 divisors (see below), whose sum is σ = 207120672. Its totient is φ = 21585920.

The previous prime is 71250367. The next prime is 71250457. The reversal of 71250432 is 23405217.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14788 + ... + 19004.

Almost surely, 2^71250432 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 71250432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103560336).

71250432 is an abundant number, since it is smaller than the sum of its proper divisors (135870240).

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

71250432 is a wasteful number, since it uses less digits than its factorization.

71250432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 71250432 is about 8440.9970974998. The cubic root of 71250432 is about 414.5680549530.

Adding to 71250432 its reverse (23405217), we get a palindrome (94655649).

The spelling of 71250432 in words is "seventy-one million, two hundred fifty thousand, four hundred thirty-two".