75909948 has 24 divisors (see below), whose sum is σ = 182837760. Its totient is φ = 24486960.

The previous prime is 75909923. The next prime is 75909949. The reversal of 75909948 is 84990957.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75909948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75909949) 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, 101658 + ... + 102401.

It is an arithmetic number, because the mean of its divisors is an integer number (7618240).

Almost surely, 2^75909948 is an apocalyptic number.

It is an amenable number.

75909948 is an abundant number, since it is smaller than the sum of its proper divisors (106927812).

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

75909948 is a wasteful number, since it uses less digits than its factorization.

75909948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204097 (or 204095 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 75909948 is about 8712.6315198108. The cubic root of 75909948 is about 423.4149921352.

The spelling of 75909948 in words is "seventy-five million, nine hundred nine thousand, nine hundred forty-eight".