75621248 has 64 divisors (see below), whose sum is σ = 156647520. Its totient is φ = 36341760.

The previous prime is 75621239. The next prime is 75621313. The reversal of 75621248 is 84212657.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 481586 + ... + 481742.

Almost surely, 2^75621248 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 75621248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78323760).

75621248 is an abundant number, since it is smaller than the sum of its proper divisors (81026272).

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

75621248 is a wasteful number, since it uses less digits than its factorization.

75621248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 283 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 75621248 is about 8696.0478379549. The cubic root of 75621248 is about 422.8775342353.

The spelling of 75621248 in words is "seventy-five million, six hundred twenty-one thousand, two hundred forty-eight".