147732640 has 48 divisors (see below), whose sum is σ = 380751840. Its totient is φ = 53720320.

The previous prime is 147732631. The next prime is 147732647. The reversal of 147732640 is 46237741.

It is a junction number, because it is equal to n+sod(n) for n = 147732596 and 147732605.

It is not an unprimeable number, because it can be changed into a prime (147732647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40210 + ... + 43729.

It is an arithmetic number, because the mean of its divisors is an integer number (7932330).

Almost surely, 2^147732640 is an apocalyptic number.

147732640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147732640 is an abundant number, since it is smaller than the sum of its proper divisors (233019200).

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

147732640 is a wasteful number, since it uses less digits than its factorization.

147732640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83965 (or 83957 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 147732640 is about 12154.5316651856. The cubic root of 147732640 is about 528.6385372375.

The spelling of 147732640 in words is "one hundred forty-seven million, seven hundred thirty-two thousand, six hundred forty".