75329901 has 6 divisors (see below), whose sum is σ = 108809870. Its totient is φ = 50219928.

The previous prime is 75329879. The next prime is 75329911. The reversal of 75329901 is 10992357.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 22752900 = 7251^2 + 4770^2 .

It is not a de Polignac number, because 75329901 - 2⁷ = 75329773 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 (75329911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4184986 + ... + 4185003.

Almost surely, 2^75329901 is an apocalyptic number.

It is an amenable number.

75329901 is a deficient number, since it is larger than the sum of its proper divisors (33479969).

75329901 is a wasteful number, since it uses less digits than its factorization.

75329901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8369995 (or 8369992 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 75329901 is about 8679.2799816575. The cubic root of 75329901 is about 422.3337599781. Note that the first 3 decimals are identical.

The spelling of 75329901 in words is "seventy-five million, three hundred twenty-nine thousand, nine hundred one".