73161628 has 12 divisors (see below), whose sum is σ = 134771560. Its totient is φ = 34655472.

The previous prime is 73161611. The next prime is 73161629. The reversal of 73161628 is 82616137.

It is a super-2 number, since 2×73161628² = 10705247623220768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73161593 and 73161602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73161629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481251 + ... + 481402.

Almost surely, 2^73161628 is an apocalyptic number.

It is an amenable number.

73161628 is a deficient number, since it is larger than the sum of its proper divisors (61609932).

73161628 is a wasteful number, since it uses less digits than its factorization.

73161628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962676 (or 962674 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 73161628 is about 8553.4570788658. The cubic root of 73161628 is about 418.2421389586.

The spelling of 73161628 in words is "seventy-three million, one hundred sixty-one thousand, six hundred twenty-eight".