61860708 has 144 divisors (see below), whose sum is σ = 201067776. Its totient is φ = 15586560.

The previous prime is 61860691. The next prime is 61860719. The reversal of 61860708 is 80706816.

It is a super-2 number, since 2×61860708² = 7653494388522528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74938 + ... + 75758.

It is an arithmetic number, because the mean of its divisors is an integer number (1396304).

Almost surely, 2^61860708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61860708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100533888).

61860708 is an abundant number, since it is smaller than the sum of its proper divisors (139207068).

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

61860708 is a wasteful number, since it uses less digits than its factorization.

61860708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 61860708 is about 7865.1578496557. The cubic root of 61860708 is about 395.4925394548.

The spelling of 61860708 in words is "sixty-one million, eight hundred sixty thousand, seven hundred eight".