147720632 has 16 divisors (see below), whose sum is σ = 277490760. Its totient is φ = 73723104.

The previous prime is 147720631. The next prime is 147720641. The reversal of 147720632 is 236027741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147720631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12503 + ... + 21254.

Almost surely, 2^147720632 is an apocalyptic number.

It is an amenable number.

147720632 is a deficient number, since it is larger than the sum of its proper divisors (129770128).

147720632 is a wasteful number, since it uses less digits than its factorization.

147720632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34310 (or 34306 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 147720632 is about 12154.0376830089. The cubic root of 147720632 is about 528.6242139222.

The spelling of 147720632 in words is "one hundred forty-seven million, seven hundred twenty thousand, six hundred thirty-two".