60998709 has 16 divisors (see below), whose sum is σ = 82399680. Its totient is φ = 40135680.

The previous prime is 60998699. The next prime is 60998713. The reversal of 60998709 is 90789906.

It is a happy number.

It is not a de Polignac number, because 60998709 - 2⁵ = 60998677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60998779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105429 + ... + 106005.

It is an arithmetic number, because the mean of its divisors is an integer number (5149980).

Almost surely, 2^60998709 is an apocalyptic number.

It is an amenable number.

60998709 is a deficient number, since it is larger than the sum of its proper divisors (21400971).

60998709 is a wasteful number, since it uses less digits than its factorization.

60998709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 60998709 is about 7810.1670276634. The cubic root of 60998709 is about 393.6469412317.

The spelling of 60998709 in words is "sixty million, nine hundred ninety-eight thousand, seven hundred nine".