75243696 has 80 divisors (see below), whose sum is σ = 218938368. Its totient is φ = 22060800.

The previous prime is 75243677. The next prime is 75243697. The reversal of 75243696 is 69634257.

It is a super-2 number, since 2×75243696² = 11323227575480832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (75243697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14070 + ... + 18666.

Almost surely, 2^75243696 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 75243696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109469184).

75243696 is an abundant number, since it is smaller than the sum of its proper divisors (143694672).

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

75243696 is a wasteful number, since it uses less digits than its factorization.

75243696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650 (or 4644 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 75243696 is about 8674.3124223191. The cubic root of 75243696 is about 422.1725969787.

The spelling of 75243696 in words is "seventy-five million, two hundred forty-three thousand, six hundred ninety-six".