60505690 has 96 divisors (see below), whose sum is σ = 136745280. Its totient is φ = 19160064.

The previous prime is 60505661. The next prime is 60505691. The reversal of 60505690 is 9650506.

It is a happy number.

It is a super-2 number, since 2×60505690² = 7321877044752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60505691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 623722 + ... + 623818.

It is an arithmetic number, because the mean of its divisors is an integer number (1424430).

Almost surely, 2^60505690 is an apocalyptic number.

60505690 is an abundant number, since it is smaller than the sum of its proper divisors (76239590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60505690 is a wasteful number, since it uses less digits than its factorization.

60505690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 60505690 is about 7778.5403515055. The cubic root of 60505690 is about 392.5835271949.

The spelling of 60505690 in words is "sixty million, five hundred five thousand, six hundred ninety".