75489946 has 8 divisors (see below), whose sum is σ = 129411360. Its totient is φ = 32352828.

The previous prime is 75489919. The next prime is 75489971. The reversal of 75489946 is 64998457.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 75489893 and 75489902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696056 + ... + 2696083.

It is an arithmetic number, because the mean of its divisors is an integer number (16176420).

Almost surely, 2^75489946 is an apocalyptic number.

75489946 is a deficient number, since it is larger than the sum of its proper divisors (53921414).

75489946 is a wasteful number, since it uses less digits than its factorization.

75489946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392148.

The product of its digits is 2177280, while the sum is 52.

The square root of 75489946 is about 8688.4950365411. The cubic root of 75489946 is about 422.6326434824.

The spelling of 75489946 in words is "seventy-five million, four hundred eighty-nine thousand, nine hundred forty-six".