147547730 has 64 divisors (see below), whose sum is σ = 307307520. Its totient is φ = 50443200.

The previous prime is 147547723. The next prime is 147547753. The reversal of 147547730 is 37745741.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474275 + ... + 474585.

It is an arithmetic number, because the mean of its divisors is an integer number (4801680).

Almost surely, 2^147547730 is an apocalyptic number.

147547730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147547730 is an abundant number, since it is smaller than the sum of its proper divisors (159759790).

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

147547730 is a wasteful number, since it uses less digits than its factorization.

147547730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 147547730 is about 12146.9226555535. The cubic root of 147547730 is about 528.4178878185.

The spelling of 147547730 in words is "one hundred forty-seven million, five hundred forty-seven thousand, seven hundred thirty".