61035436 has 48 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 23325120.

The previous prime is 61035427. The next prime is 61035449. The reversal of 61035436 is 63453016.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14455 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^61035436 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 61035436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67858560).

61035436 is an abundant number, since it is smaller than the sum of its proper divisors (74681684).

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

61035436 is a wasteful number, since it uses less digits than its factorization.

61035436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 61035436 is about 7812.5179039795. The cubic root of 61035436 is about 393.7259296279.

It can be divided in two parts, 610 and 35436, that added together give a triangular number (36046 = T₂₆₈).

The spelling of 61035436 in words is "sixty-one million, thirty-five thousand, four hundred thirty-six".