147272640 has 56 divisors (see below), whose sum is σ = 467593680. Its totient is φ = 39272448.

The previous prime is 147272623. The next prime is 147272663. The reversal of 147272640 is 46272741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75745 + ... + 77664.

Almost surely, 2^147272640 is an apocalyptic number.

147272640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147272640 is an abundant number, since it is smaller than the sum of its proper divisors (320321040).

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

147272640 is a wasteful number, since it uses less digits than its factorization.

147272640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153429 (or 153419 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 147272640 is about 12135.5939286052. The cubic root of 147272640 is about 528.0892870124.

The spelling of 147272640 in words is "one hundred forty-seven million, two hundred seventy-two thousand, six hundred forty".