72460170 has 48 divisors (see below), whose sum is σ = 195380640. Its totient is φ = 19322064.

The previous prime is 72460163. The next prime is 72460217. The reversal of 72460170 is 7106427.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12480 + ... + 17339.

It is an arithmetic number, because the mean of its divisors is an integer number (4070430).

Almost surely, 2^72460170 is an apocalyptic number.

72460170 is an abundant number, since it is smaller than the sum of its proper divisors (122920470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72460170 is a wasteful number, since it uses less digits than its factorization.

72460170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29841 (or 29829 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 72460170 is about 8512.3539635050. The cubic root of 72460170 is about 416.9011721702.

Adding to 72460170 its reverse (7106427), we get a palindrome (79566597).

The spelling of 72460170 in words is "seventy-two million, four hundred sixty thousand, one hundred seventy".