61411700 has 108 divisors (see below), whose sum is σ = 157927392. Its totient is φ = 20664000.

The previous prime is 61411699. The next prime is 61411703. The reversal of 61411700 is 711416.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61411703) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 406625 + ... + 406775.

Almost surely, 2^61411700 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 61411700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78963696).

61411700 is an abundant number, since it is smaller than the sum of its proper divisors (96515692).

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

61411700 is a wasteful number, since it uses less digits than its factorization.

61411700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 61411700 is about 7836.5617460721. The cubic root of 61411700 is about 394.5333376911.

The spelling of 61411700 in words is "sixty-one million, four hundred eleven thousand, seven hundred".