80172132 has 24 divisors (see below), whose sum is σ = 188328000. Its totient is φ = 26544096.

The previous prime is 80172121. The next prime is 80172137. The reversal of 80172132 is 23127108.

It is not an unprimeable number, because it can be changed into a prime (80172137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20632 + ... + 24207.

It is an arithmetic number, because the mean of its divisors is an integer number (7847000).

Almost surely, 2^80172132 is an apocalyptic number.

It is an amenable number.

80172132 is an abundant number, since it is smaller than the sum of its proper divisors (108155868).

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

80172132 is a wasteful number, since it uses less digits than its factorization.

80172132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44995 (or 44993 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 80172132 is about 8953.8892108402. The cubic root of 80172132 is about 431.1957559162.

The spelling of 80172132 in words is "eighty million, one hundred seventy-two thousand, one hundred thirty-two".