75016049 has 4 divisors (see below), whose sum is σ = 75343860. Its totient is φ = 74688240.

The previous prime is 75016043. The next prime is 75016061. The reversal of 75016049 is 94061057.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 5793649 = 8320^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 75016049 - 2²⁴ = 58238833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75016043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163562 + ... + 164019.

It is an arithmetic number, because the mean of its divisors is an integer number (18835965).

Almost surely, 2^75016049 is an apocalyptic number.

It is an amenable number.

75016049 is a deficient number, since it is larger than the sum of its proper divisors (327811).

75016049 is a wasteful number, since it uses less digits than its factorization.

75016049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327810.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 75016049 is about 8661.1805777273. The cubic root of 75016049 is about 421.7464110630.

The spelling of 75016049 in words is "seventy-five million, sixteen thousand, forty-nine".