673151652 has 72 divisors (see below), whose sum is σ = 1805292216. Its totient is φ = 210760704.

The previous prime is 673151623. The next prime is 673151681. The reversal of 673151652 is 256151376.

673151652 is a `hidden beast` number, since 67 + 31 + 516 + 52 = 666.

673151652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (673151623) and next prime (673151681).

It can be written as a sum of positive squares in 4 ways, for example, as 422055936 + 251095716 = 20544^2 + 15846^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 462558 + ... + 464010.

It is an arithmetic number, because the mean of its divisors is an integer number (25073503).

Almost surely, 2^673151652 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 673151652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902646108).

673151652 is an abundant number, since it is smaller than the sum of its proper divisors (1132140564).

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

673151652 is a wasteful number, since it uses less digits than its factorization.

673151652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2232 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 673151652 is about 25945.1662550079. The cubic root of 673151652 is about 876.4039076882.

The spelling of 673151652 in words is "six hundred seventy-three million, one hundred fifty-one thousand, six hundred fifty-two".