75770432 has 14 divisors (see below), whose sum is σ = 150357078. Its totient is φ = 37885184.

The previous prime is 75770407. The next prime is 75770437. The reversal of 75770432 is 23407757.

It can be written as a sum of positive squares in only one way, i.e., 75759616 + 10816 = 8704^2 + 104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75770392 and 75770401.

It is not an unprimeable number, because it can be changed into a prime (75770437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591893 + ... + 592020.

Almost surely, 2^75770432 is an apocalyptic number.

It is an amenable number.

75770432 is a deficient number, since it is larger than the sum of its proper divisors (74586646).

75770432 is a wasteful number, since it uses less digits than its factorization.

75770432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183925 (or 1183915 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 75770432 is about 8704.6213013548. The cubic root of 75770432 is about 423.1554328588.

The spelling of 75770432 in words is "seventy-five million, seven hundred seventy thousand, four hundred thirty-two".