147720616 has 48 divisors (see below), whose sum is σ = 296690940. Its totient is φ = 68935680.

The previous prime is 147720607. The next prime is 147720619. The reversal of 147720616 is 616027741.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 60372900 + 87347716 = 7770^2 + 9346^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (147720619) 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 11 ways as a sum of consecutive naturals, for example, 418296 + ... + 418648.

Almost surely, 2^147720616 is an apocalyptic number.

It is an amenable number.

147720616 is an abundant number, since it is smaller than the sum of its proper divisors (148970324).

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

147720616 is a wasteful number, since it uses less digits than its factorization.

147720616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 147720616 is about 12154.0370247914. The cubic root of 147720616 is about 528.6241948366.

The spelling of 147720616 in words is "one hundred forty-seven million, seven hundred twenty thousand, six hundred sixteen".