71769132 has 24 divisors (see below), whose sum is σ = 186068400. Its totient is φ = 23923008.

The previous prime is 71769119. The next prime is 71769163. The reversal of 71769132 is 23196717.

It is a happy number.

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

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 7 ways as a sum of consecutive naturals, for example, 332157 + ... + 332372.

It is an arithmetic number, because the mean of its divisors is an integer number (7752850).

Almost surely, 2^71769132 is an apocalyptic number.

It is an amenable number.

71769132 is an abundant number, since it is smaller than the sum of its proper divisors (114299268).

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

71769132 is a wasteful number, since it uses less digits than its factorization.

71769132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664542 (or 664534 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 71769132 is about 8471.6664240278. Note that the first 3 decimals coincide. The cubic root of 71769132 is about 415.5716359172.

The spelling of 71769132 in words is "seventy-one million, seven hundred sixty-nine thousand, one hundred thirty-two".