147672891 has 12 divisors (see below), whose sum is σ = 216489832. Its totient is φ = 96978816.

The previous prime is 147672881. The next prime is 147672913. The reversal of 147672891 is 198276741.

It is a happy number.

It is not a de Polignac number, because 147672891 - 2⁵ = 147672859 is a prime.

It is a super-3 number, since 3×147672891³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147672821) 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, 121846 + ... + 123051.

Almost surely, 2^147672891 is an apocalyptic number.

147672891 is a deficient number, since it is larger than the sum of its proper divisors (68816941).

147672891 is a wasteful number, since it uses less digits than its factorization.

147672891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244970 (or 244967 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 147672891 is about 12152.0735267690. The cubic root of 147672891 is about 528.5672600910.

The spelling of 147672891 in words is "one hundred forty-seven million, six hundred seventy-two thousand, eight hundred ninety-one".