61349700 has 72 divisors (see below), whose sum is σ = 182335552. Its totient is φ = 15914880.

The previous prime is 61349693. The next prime is 61349749. The reversal of 61349700 is 794316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8337 + ... + 13863.

Almost surely, 2^61349700 is an apocalyptic number.

61349700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61349700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91167776).

61349700 is an abundant number, since it is smaller than the sum of its proper divisors (120985852).

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

61349700 is a wasteful number, since it uses less digits than its factorization.

61349700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581 (or 5574 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 61349700 is about 7832.6049306728. The cubic root of 61349700 is about 394.4005220477.

The spelling of 61349700 in words is "sixty-one million, three hundred forty-nine thousand, seven hundred".