76545432 has 32 divisors (see below), whose sum is σ = 212626800. Its totient is φ = 25515072.

The previous prime is 76545431. The next prime is 76545467. The reversal of 76545432 is 23454567.

76545432 is a `hidden beast` number, since 76 + 545 + 43 + 2 = 666.

76545432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76545431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176973 + ... + 177404.

Almost surely, 2^76545432 is an apocalyptic number.

76545432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

76545432 is an abundant number, since it is smaller than the sum of its proper divisors (136081368).

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

76545432 is a wasteful number, since it uses less digits than its factorization.

76545432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354392 (or 354382 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 76545432 is about 8749.0246313518. The cubic root of 76545432 is about 424.5932569900.

Adding to 76545432 its reverse (23454567), we get a palindrome (99999999).

The spelling of 76545432 in words is "seventy-six million, five hundred forty-five thousand, four hundred thirty-two".