75213636 has 12 divisors (see below), whose sum is σ = 175498512. Its totient is φ = 25071208.

The previous prime is 75213631. The next prime is 75213641. The reversal of 75213636 is 63631257.

It is an interprime number because it is at equal distance from previous prime (75213631) and next prime (75213641).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 75213597 and 75213606.

It is not an unprimeable number, because it can be changed into a prime (75213631) 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, 3133890 + ... + 3133913.

It is an arithmetic number, because the mean of its divisors is an integer number (14624876).

Almost surely, 2^75213636 is an apocalyptic number.

It is an amenable number.

75213636 is an abundant number, since it is smaller than the sum of its proper divisors (100284876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75213636 is a wasteful number, since it uses less digits than its factorization.

75213636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267810 (or 6267808 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 75213636 is about 8672.5795470552. The cubic root of 75213636 is about 422.1163699047.

The spelling of 75213636 in words is "seventy-five million, two hundred thirteen thousand, six hundred thirty-six".