61355754 has 48 divisors (see below), whose sum is σ = 144061632. Its totient is φ = 18797184.

The previous prime is 61355747. The next prime is 61355759. The reversal of 61355754 is 45755316.

It is not an unprimeable number, because it can be changed into a prime (61355759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10827 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (3001284).

Almost surely, 2^61355754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61355754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72030816).

61355754 is an abundant number, since it is smaller than the sum of its proper divisors (82705878).

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

61355754 is a wasteful number, since it uses less digits than its factorization.

61355754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731 (or 4728 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 61355754 is about 7832.9913826073. The cubic root of 61355754 is about 394.4134947937.

The spelling of 61355754 in words is "sixty-one million, three hundred fifty-five thousand, seven hundred fifty-four".