75021696 has 48 divisors (see below), whose sum is σ = 215886060. Its totient is φ = 25006848.

The previous prime is 75021691. The next prime is 75021701. The reversal of 75021696 is 69612057.

It is an interprime number because it is at equal distance from previous prime (75021691) and next prime (75021701).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 75021696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75021691) 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, 31410 + ... + 33713.

Almost surely, 2^75021696 is an apocalyptic number.

It is an amenable number.

75021696 is an abundant number, since it is smaller than the sum of its proper divisors (140864364).

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

75021696 is a wasteful number, since it uses less digits than its factorization.

75021696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65143 (or 65128 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 75021696 is about 8661.5065664121. The cubic root of 75021696 is about 421.7569934306.

The spelling of 75021696 in words is "seventy-five million, twenty-one thousand, six hundred ninety-six".