75440016 has 60 divisors (see below), whose sum is σ = 223553772. Its totient is φ = 23666688.

The previous prime is 75439997. The next prime is 75440021. The reversal of 75440016 is 61004457.

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 48441600 = 5196^2 + 6960^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12961 + ... + 17856.

Almost surely, 2^75440016 is an apocalyptic number.

It is an amenable number.

75440016 is an abundant number, since it is smaller than the sum of its proper divisors (148113756).

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

75440016 is a wasteful number, since it uses less digits than its factorization.

75440016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30848 (or 30839 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 75440016 is about 8685.6212213059. The cubic root of 75440016 is about 422.5394447493.

The spelling of 75440016 in words is "seventy-five million, four hundred forty thousand, sixteen".