147740472 has 96 divisors (see below), whose sum is σ = 462224880. Its totient is φ = 42132480.

The previous prime is 147740441. The next prime is 147740473. The reversal of 147740472 is 274047741.

147740472 is a `hidden beast` number, since 147 + 7 + 40 + 472 = 666.

147740472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147740473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7978 + ... + 18950.

Almost surely, 2^147740472 is an apocalyptic number.

147740472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147740472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231112440).

147740472 is an abundant number, since it is smaller than the sum of its proper divisors (314484408).

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

147740472 is a wasteful number, since it uses less digits than its factorization.

147740472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013 (or 11006 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The square root of 147740472 is about 12154.8538452751. The cubic root of 147740472 is about 528.6478789417.

The spelling of 147740472 in words is "one hundred forty-seven million, seven hundred forty thousand, four hundred seventy-two".