61700060 has 24 divisors (see below), whose sum is σ = 129759840. Its totient is φ = 24643904.

The previous prime is 61699997. The next prime is 61700071. The reversal of 61700060 is 6000716.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14942 + ... + 18618.

It is an arithmetic number, because the mean of its divisors is an integer number (5406660).

Almost surely, 2^61700060 is an apocalyptic number.

It is an amenable number.

61700060 is an abundant number, since it is smaller than the sum of its proper divisors (68059780).

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

61700060 is a wasteful number, since it uses less digits than its factorization.

61700060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525 (or 4523 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 61700060 is about 7854.9385739164. The cubic root of 61700060 is about 395.1498870358.

Adding to 61700060 its reverse (6000716), we get a palindrome (67700776).

The spelling of 61700060 in words is "sixty-one million, seven hundred thousand, sixty".