76421132 has 12 divisors (see below), whose sum is σ = 137351760. Its totient is φ = 37177776.

The previous prime is 76421131. The next prime is 76421161. The reversal of 76421132 is 23112467.

It is a super-2 number, since 2×76421132² = 11680378832322848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76421131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258032 + ... + 258327.

It is an arithmetic number, because the mean of its divisors is an integer number (11445980).

Almost surely, 2^76421132 is an apocalyptic number.

It is an amenable number.

76421132 is a deficient number, since it is larger than the sum of its proper divisors (60930628).

76421132 is a wasteful number, since it uses less digits than its factorization.

76421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516400 (or 516398 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 76421132 is about 8741.9180961617. The cubic root of 76421132 is about 424.3633040765.

Adding to 76421132 its reverse (23112467), we get a palindrome (99533599).

The spelling of 76421132 in words is "seventy-six million, four hundred twenty-one thousand, one hundred thirty-two".