75621648 has 40 divisors (see below), whose sum is σ = 201661696. Its totient is φ = 24393600.

The previous prime is 75621641. The next prime is 75621659. The reversal of 75621648 is 84612657.

It is not an unprimeable number, because it can be changed into a prime (75621641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23923 + ... + 26898.

Almost surely, 2^75621648 is an apocalyptic number.

It is an amenable number.

75621648 is an abundant number, since it is smaller than the sum of its proper divisors (126040048).

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

75621648 is a wasteful number, since it uses less digits than its factorization.

75621648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50863 (or 50857 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 75621648 is about 8696.0708368780. The cubic root of 75621648 is about 422.8782798402.

The spelling of 75621648 in words is "seventy-five million, six hundred twenty-one thousand, six hundred forty-eight".