46512172 has 60 divisors (see below), whose sum is σ = 98819280. Its totient is φ = 19131168.

The previous prime is 46512157. The next prime is 46512173. The reversal of 46512172 is 27121564.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 46512172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46512173) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 278433 + ... + 278599.

It is an arithmetic number, because the mean of its divisors is an integer number (1646988).

Almost surely, 2^46512172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46512172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49409640).

46512172 is an abundant number, since it is smaller than the sum of its proper divisors (52307108).

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

46512172 is a wasteful number, since it uses less digits than its factorization.

46512172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 205 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 46512172 is about 6819.9832844370. The cubic root of 46512172 is about 359.6296912343.

The spelling of 46512172 in words is "forty-six million, five hundred twelve thousand, one hundred seventy-two".