76231730 has 8 divisors (see below), whose sum is σ = 137217132. Its totient is φ = 30492688.

The previous prime is 76231703. The next prime is 76231747. The reversal of 76231730 is 3713267.

It can be written as a sum of positive squares in 2 ways, for example, as 76230361 + 1369 = 8731^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×76231730² = 11622553317585800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76231693 and 76231702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3811577 + ... + 3811596.

Almost surely, 2^76231730 is an apocalyptic number.

76231730 is a deficient number, since it is larger than the sum of its proper divisors (60985402).

76231730 is a wasteful number, since it uses less digits than its factorization.

76231730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623180.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 76231730 is about 8731.0783984569. The cubic root of 76231730 is about 424.0124336273.

Adding to 76231730 its reverse (3713267), we get a palindrome (79944997).

The spelling of 76231730 in words is "seventy-six million, two hundred thirty-one thousand, seven hundred thirty".