761720732 has 6 divisors (see below), whose sum is σ = 1333011288. Its totient is φ = 380860364.

The previous prime is 761720723. The next prime is 761720749. The reversal of 761720732 is 237027167.

It is a junction number, because it is equal to n+sod(n) for n = 761720692 and 761720701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95215088 + ... + 95215095.

It is an arithmetic number, because the mean of its divisors is an integer number (222168548).

Almost surely, 2^761720732 is an apocalyptic number.

It is an amenable number.

761720732 is a deficient number, since it is larger than the sum of its proper divisors (571290556).

761720732 is a wasteful number, since it uses less digits than its factorization.

761720732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190430187 (or 190430185 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 761720732 is about 27599.2886140205. The cubic root of 761720732 is about 913.2687388680.

Adding to 761720732 its reverse (237027167), we get a palindrome (998747899).

The spelling of 761720732 in words is "seven hundred sixty-one million, seven hundred twenty thousand, seven hundred thirty-two".