147720914 has 12 divisors (see below), whose sum is σ = 243556782. Its totient is φ = 67145760.

The previous prime is 147720913. The next prime is 147720943. The reversal of 147720914 is 419027741.

It can be written as a sum of positive squares in only one way, i.e., 147209689 + 511225 = 12133^2 + 715^2 .

It is not an unprimeable number, because it can be changed into a prime (147720913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 304967 + ... + 305450.

Almost surely, 2^147720914 is an apocalyptic number.

147720914 is a deficient number, since it is larger than the sum of its proper divisors (95835868).

147720914 is a wasteful number, since it uses less digits than its factorization.

147720914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610441 (or 610430 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 147720914 is about 12154.0492840864. The cubic root of 147720914 is about 528.6245503047.

The spelling of 147720914 in words is "one hundred forty-seven million, seven hundred twenty thousand, nine hundred fourteen".