72084170 has 16 divisors (see below), whose sum is σ = 131580288. Its totient is φ = 28427280.

The previous prime is 72084167. The next prime is 72084179. The reversal of 72084170 is 7148027.

It is a super-2 number, since 2×72084170² = 10392255129177800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72084179) 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, 50054 + ... + 51473.

It is an arithmetic number, because the mean of its divisors is an integer number (8223768).

Almost surely, 2^72084170 is an apocalyptic number.

72084170 is a deficient number, since it is larger than the sum of its proper divisors (59496118).

72084170 is a wasteful number, since it uses less digits than its factorization.

72084170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101605.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 72084170 is about 8490.2396903739. The cubic root of 72084170 is about 416.1788131983.

The spelling of 72084170 in words is "seventy-two million, eighty-four thousand, one hundred seventy".