691483752 has 48 divisors (see below), whose sum is σ = 1881210240. Its totient is φ = 229455648.

The previous prime is 691483733. The next prime is 691483757. The reversal of 691483752 is 257384196.

It is a junction number, because it is equal to n+sod(n) for n = 691483698 and 691483707.

It is not an unprimeable number, because it can be changed into a prime (691483757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5478 + ... + 37589.

It is an arithmetic number, because the mean of its divisors is an integer number (39191880).

Almost surely, 2^691483752 is an apocalyptic number.

It is an amenable number.

691483752 is an abundant number, since it is smaller than the sum of its proper divisors (1189726488).

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

691483752 is a wasteful number, since it uses less digits than its factorization.

691483752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43302 (or 43295 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 691483752 is about 26296.0786430220. The cubic root of 691483752 is about 884.2885328557.

It can be divided in two parts, 69148 and 3752, that added together give a square (72900 = 270²).

The spelling of 691483752 in words is "six hundred ninety-one million, four hundred eighty-three thousand, seven hundred fifty-two".