75389011 has 4 divisors (see below), whose sum is σ = 75415752. Its totient is φ = 75362272.

The previous prime is 75388991. The next prime is 75389029. The reversal of 75389011 is 11098357.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11098357 = 307 ⋅36151.

It is a cyclic number.

It is not a de Polignac number, because 75389011 - 2²¹ = 73291859 is a prime.

It is a super-3 number, since 3×75389011³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75389051) 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, 8566 + ... + 14971.

It is an arithmetic number, because the mean of its divisors is an integer number (18853938).

Almost surely, 2^75389011 is an apocalyptic number.

75389011 is a deficient number, since it is larger than the sum of its proper divisors (26741).

75389011 is a wasteful number, since it uses less digits than its factorization.

75389011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 75389011 is about 8682.6845502989. The cubic root of 75389011 is about 422.4441969645. Note that the first 3 decimals are identical.

The spelling of 75389011 in words is "seventy-five million, three hundred eighty-nine thousand, eleven".