147173772 has 24 divisors (see below), whose sum is σ = 361480000. Its totient is φ = 46475856.

The previous prime is 147173759. The next prime is 147173773. The reversal of 147173772 is 277371741.

It is a self number, because there is not a number n which added to its sum of digits gives 147173772.

It is not an unprimeable number, because it can be changed into a prime (147173773) 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, 322522 + ... + 322977.

Almost surely, 2^147173772 is an apocalyptic number.

147173772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147173772 is an abundant number, since it is smaller than the sum of its proper divisors (214306228).

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

147173772 is a wasteful number, since it uses less digits than its factorization.

147173772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645525 (or 645523 counting only the distinct ones).

The product of its digits is 57624, while the sum is 39.

The square root of 147173772 is about 12131.5197728891. The cubic root of 147173772 is about 527.9710871450.

The spelling of 147173772 in words is "one hundred forty-seven million, one hundred seventy-three thousand, seven hundred seventy-two".