75438011 has 8 divisors (see below), whose sum is σ = 83112048. Its totient is φ = 67900000.

The previous prime is 75438007. The next prime is 75438031. The reversal of 75438011 is 11083457.

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

It is a cyclic number.

It is not a de Polignac number, because 75438011 - 2² = 75438007 is a prime.

It is a super-2 number, since 2×75438011² = 11381787007272242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75438031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32840 + ... + 35061.

It is an arithmetic number, because the mean of its divisors is an integer number (10389006).

Almost surely, 2^75438011 is an apocalyptic number.

75438011 is a deficient number, since it is larger than the sum of its proper divisors (7674037).

75438011 is a wasteful number, since it uses less digits than its factorization.

75438011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68013.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 75438011 is about 8685.5057998944. The cubic root of 75438011 is about 422.5357013819.

The spelling of 75438011 in words is "seventy-five million, four hundred thirty-eight thousand, eleven".