75013061 has 4 divisors (see below), whose sum is σ = 79425612. Its totient is φ = 70600512.

The previous prime is 75013039. The next prime is 75013079. The reversal of 75013061 is 16031057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16031057 = 7 ⋅2290151.

It can be written as a sum of positive squares in 2 ways, for example, as 40132225 + 34880836 = 6335^2 + 5906^2 .

It is a cyclic number.

It is not a de Polignac number, because 75013061 - 2⁶ = 75012997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75013261) 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, 2206250 + ... + 2206283.

It is an arithmetic number, because the mean of its divisors is an integer number (19856403).

Almost surely, 2^75013061 is an apocalyptic number.

It is an amenable number.

75013061 is a deficient number, since it is larger than the sum of its proper divisors (4412551).

75013061 is a wasteful number, since it uses less digits than its factorization.

75013061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412550.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 75013061 is about 8661.0080822038. The cubic root of 75013061 is about 421.7408113945.

The spelling of 75013061 in words is "seventy-five million, thirteen thousand, sixty-one".