153273472 has 64 divisors (see below), whose sum is σ = 347664960. Its totient is φ = 66626560.

The previous prime is 153273433. The next prime is 153273473. The reversal of 153273472 is 274372351.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (153273473) 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, 30018 + ... + 34750.

It is an arithmetic number, because the mean of its divisors is an integer number (5432265).

Almost surely, 2^153273472 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 153273472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173832480).

153273472 is an abundant number, since it is smaller than the sum of its proper divisors (194391488).

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

153273472 is a wasteful number, since it uses less digits than its factorization.

153273472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781 (or 4769 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 153273472 is about 12380.3663919934. The cubic root of 153273472 is about 535.1665967327.

The spelling of 153273472 in words is "one hundred fifty-three million, two hundred seventy-three thousand, four hundred seventy-two".