61351700 has 36 divisors (see below), whose sum is σ = 133845600. Its totient is φ = 24409440.

The previous prime is 61351673. The next prime is 61351711. The reversal of 61351700 is 715316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18359 + ... + 21441.

Almost surely, 2^61351700 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 61351700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66922800).

61351700 is an abundant number, since it is smaller than the sum of its proper divisors (72493900).

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

61351700 is a wasteful number, since it uses less digits than its factorization.

61351700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 61351700 is about 7832.7326010786. The cubic root of 61351700 is about 394.4048078196.

The spelling of 61351700 in words is "sixty-one million, three hundred fifty-one thousand, seven hundred".