172930084 has 6 divisors (see below), whose sum is σ = 302627654. Its totient is φ = 86465040.

The previous prime is 172930081. The next prime is 172930091. The reversal of 172930084 is 480039271.

It can be written as a sum of positive squares in only one way, i.e., 164403684 + 8526400 = 12822^2 + 2920^2 .

It is not an unprimeable number, because it can be changed into a prime (172930081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21616257 + ... + 21616264.

Almost surely, 2^172930084 is an apocalyptic number.

It is an amenable number.

172930084 is a deficient number, since it is larger than the sum of its proper divisors (129697570).

172930084 is a wasteful number, since it uses less digits than its factorization.

172930084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43232525 (or 43232523 counting only the distinct ones).

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

The square root of 172930084 is about 13150.2883618573. The cubic root of 172930084 is about 557.1303926706.

It can be divided in two parts, 1729 and 30084, that added together give a palindrome (31813).

The spelling of 172930084 in words is "one hundred seventy-two million, nine hundred thirty thousand, eighty-four".