147226720 has 24 divisors (see below), whose sum is σ = 347823504. Its totient is φ = 58890624.

The previous prime is 147226631. The next prime is 147226741. The reversal of 147226720 is 27622741.

It is a congruent number.

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, 459924 + ... + 460243.

It is an arithmetic number, because the mean of its divisors is an integer number (14492646).

Almost surely, 2^147226720 is an apocalyptic number.

147226720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147226720 is an abundant number, since it is smaller than the sum of its proper divisors (200596784).

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

147226720 is an equidigital number, since it uses as much as digits as its factorization.

147226720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920182 (or 920174 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 147226720 is about 12133.7018259062. The cubic root of 147226720 is about 528.0343947597.

The spelling of 147226720 in words is "one hundred forty-seven million, two hundred twenty-six thousand, seven hundred twenty".