75443076 has 60 divisors (see below), whose sum is σ = 208839708. Its totient is φ = 23666688.

The previous prime is 75443063. The next prime is 75443077. The reversal of 75443076 is 67034457.

It can be written as a sum of positive squares in 2 ways, for example, as 25401600 + 50041476 = 5040^2 + 7074^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 75443076.

It is not an unprimeable number, because it can be changed into a prime (75443077) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1341 + ... + 12356.

Almost surely, 2^75443076 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 75443076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104419854).

75443076 is an abundant number, since it is smaller than the sum of its proper divisors (133396632).

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

75443076 is a wasteful number, since it uses less digits than its factorization.

75443076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13730 (or 13719 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 75443076 is about 8685.7973727229. The cubic root of 75443076 is about 422.5451576909.

The spelling of 75443076 in words is "seventy-five million, four hundred forty-three thousand, seventy-six".