60820647 has 8 divisors (see below), whose sum is σ = 81372144. Its totient is φ = 40408128.

The previous prime is 60820609. The next prime is 60820651. The reversal of 60820647 is 74602806.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60820647 - 2¹¹ = 60818599 is a prime.

It is a super-2 number, since 2×60820647² = 7398302202997218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60820687) 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 7 ways as a sum of consecutive naturals, for example, 33718 + ... + 35475.

It is an arithmetic number, because the mean of its divisors is an integer number (10171518).

Almost surely, 2^60820647 is an apocalyptic number.

60820647 is a deficient number, since it is larger than the sum of its proper divisors (20551497).

60820647 is a wasteful number, since it uses less digits than its factorization.

60820647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69489.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 60820647 is about 7798.7593244054. The cubic root of 60820647 is about 393.2635348872.

The spelling of 60820647 in words is "sixty million, eight hundred twenty thousand, six hundred forty-seven".