61902036 has 96 divisors (see below), whose sum is σ = 188455680. Its totient is φ = 17200512.

The previous prime is 61902031. The next prime is 61902053. The reversal of 61902036 is 63020916.

It is a happy number.

61902036 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

61902036 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61902031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26866 + ... + 29078.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^61902036 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 61902036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94227840).

61902036 is an abundant number, since it is smaller than the sum of its proper divisors (126553644).

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

61902036 is a wasteful number, since it uses less digits than its factorization.

61902036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2262 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 61902036 is about 7867.7846945630. The cubic root of 61902036 is about 395.5805936098.

The spelling of 61902036 in words is "sixty-one million, nine hundred two thousand, thirty-six".