673536132 has 72 divisors (see below), whose sum is σ = 1795003392. Its totient is φ = 212630400.

The previous prime is 673536131. The next prime is 673536167. The reversal of 673536132 is 231635376.

673536132 is a `hidden beast` number, since 6 + 7 + 35 + 3 + 613 + 2 = 666.

It is a super-2 number, since 2×673536132² = 907301842219042848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (673536131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46032 + ... + 58872.

Almost surely, 2^673536132 is an apocalyptic number.

673536132 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673536132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (897501696).

673536132 is an abundant number, since it is smaller than the sum of its proper divisors (1121467260).

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

673536132 is a wasteful number, since it uses less digits than its factorization.

673536132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929 (or 12924 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 673536132 is about 25952.5746699629. The cubic root of 673536132 is about 876.5707327222.

The spelling of 673536132 in words is "six hundred seventy-three million, five hundred thirty-six thousand, one hundred thirty-two".