75869136 has 100 divisors (see below), whose sum is σ = 250986912. Its totient is φ = 21674304.

The previous prime is 75869107. The next prime is 75869137. The reversal of 75869136 is 63196857.

It is a happy number.

It is a super-2 number, since 2×75869136² = 11512251594772992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75869091 and 75869100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75869137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4891 + ... + 13253.

Almost surely, 2^75869136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75869136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125493456).

75869136 is an abundant number, since it is smaller than the sum of its proper divisors (175117776).

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

75869136 is a wasteful number, since it uses less digits than its factorization.

75869136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390 (or 8375 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 75869136 is about 8710.2890881991. The cubic root of 75869136 is about 423.3390973375.

The spelling of 75869136 in words is "seventy-five million, eight hundred sixty-nine thousand, one hundred thirty-six".