147478720 has 28 divisors (see below), whose sum is σ = 351184464. Its totient is φ = 58991360.

The previous prime is 147478657. The next prime is 147478733. The reversal of 147478720 is 27874741.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230116 + ... + 230755.

Almost surely, 2^147478720 is an apocalyptic number.

147478720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147478720 is an abundant number, since it is smaller than the sum of its proper divisors (203705744).

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

147478720 is an equidigital number, since it uses as much as digits as its factorization.

147478720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460888 (or 460878 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 147478720 is about 12144.0816861548. The cubic root of 147478720 is about 528.3354923226.

The spelling of 147478720 in words is "one hundred forty-seven million, four hundred seventy-eight thousand, seven hundred twenty".