61750836 has 120 divisors (see below), whose sum is σ = 194335680. Its totient is φ = 16702848.

The previous prime is 61750823. The next prime is 61750841. The reversal of 61750836 is 63805716.

61750836 is a `hidden beast` number, since 617 + 5 + 0 + 8 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61750836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42376 + ... + 43808.

It is an arithmetic number, because the mean of its divisors is an integer number (1619464).

Almost surely, 2^61750836 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 61750836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97167840).

61750836 is an abundant number, since it is smaller than the sum of its proper divisors (132584844).

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

61750836 is a wasteful number, since it uses less digits than its factorization.

61750836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 61750836 is about 7858.1700159770. The cubic root of 61750836 is about 395.2582533770.

The spelling of 61750836 in words is "sixty-one million, seven hundred fifty thousand, eight hundred thirty-six".