75743432 has 36 divisors (see below), whose sum is σ = 151702515. Its totient is φ = 35447040.

The previous prime is 75743431. The next prime is 75743453. The reversal of 75743432 is 23434757.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 11519236 + 64224196 = 3394^2 + 8014^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6154.

It is a super-2 number, since 2×75743432² = 11474134982277248, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75743392 and 75743401.

It is not an unprimeable number, because it can be changed into a prime (75743431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 418382 + ... + 418562.

Almost surely, 2^75743432 is an apocalyptic number.

It is an amenable number.

75743432 is an abundant number, since it is smaller than the sum of its proper divisors (75959083).

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

75743432 is a wasteful number, since it uses less digits than its factorization.

75743432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 200 counting only the distinct ones).

The product of its digits is 70560, while the sum is 35.

The square root of 75743432 is about 8703.0702628440. The cubic root of 75743432 is about 423.1051645517.

The spelling of 75743432 in words is "seventy-five million, seven hundred forty-three thousand, four hundred thirty-two".