60939147 has 6 divisors (see below), whose sum is σ = 81270228. Its totient is φ = 40617084.

The previous prime is 60939143. The next prime is 60939157. The reversal of 60939147 is 74193906.

It is not a de Polignac number, because 60939147 - 2² = 60939143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60939143) 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, 11268 + ... + 15774.

It is an arithmetic number, because the mean of its divisors is an integer number (13545038).

Almost surely, 2^60939147 is an apocalyptic number.

60939147 is a deficient number, since it is larger than the sum of its proper divisors (20331081).

60939147 is an frugal number, since it uses more digits than its factorization.

60939147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017 (or 4510 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 60939147 is about 7806.3529897129. The cubic root of 60939147 is about 393.5187743954.

The spelling of 60939147 in words is "sixty million, nine hundred thirty-nine thousand, one hundred forty-seven".