172740016 has 10 divisors (see below), whose sum is σ = 334683812. Its totient is φ = 86370000.

The previous prime is 172739989. The next prime is 172740017. The reversal of 172740016 is 610047271.

172740016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172740016² = 59678226255360512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172740017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5398110 + ... + 5398141.

Almost surely, 2^172740016 is an apocalyptic number.

172740016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172740016 is a deficient number, since it is larger than the sum of its proper divisors (161943796).

172740016 is a wasteful number, since it uses less digits than its factorization.

172740016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10796259 (or 10796253 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 172740016 is about 13143.0596133473. The cubic root of 172740016 is about 556.9262032542.

Adding to 172740016 its reverse (610047271), we get a palindrome (782787287).

The spelling of 172740016 in words is "one hundred seventy-two million, seven hundred forty thousand, sixteen".