75479748 has 24 divisors (see below), whose sum is σ = 176262240. Its totient is φ = 25139520.

The previous prime is 75479731. The next prime is 75479771. The reversal of 75479748 is 84797457.

It is a self number, because there is not a number n which added to its sum of digits gives 75479748.

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, 23563 + ... + 26573.

It is an arithmetic number, because the mean of its divisors is an integer number (7344260).

Almost surely, 2^75479748 is an apocalyptic number.

It is an amenable number.

75479748 is an abundant number, since it is smaller than the sum of its proper divisors (100782492).

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

75479748 is a wasteful number, since it uses less digits than its factorization.

75479748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5107 (or 5105 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 75479748 is about 8687.9081486857. The cubic root of 75479748 is about 422.6136113595.

The spelling of 75479748 in words is "seventy-five million, four hundred seventy-nine thousand, seven hundred forty-eight".