61836330 has 32 divisors (see below), whose sum is σ = 149174784. Its totient is φ = 16404416.

The previous prime is 61836283. The next prime is 61836331. The reversal of 61836330 is 3363816.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (61836331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (4661712).

Almost surely, 2^61836330 is an apocalyptic number.

61836330 is an abundant number, since it is smaller than the sum of its proper divisors (87338454).

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

61836330 is a wasteful number, since it uses less digits than its factorization.

61836330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 61836330 is about 7863.6079505530. The cubic root of 61836330 is about 395.4405808735.

The spelling of 61836330 in words is "sixty-one million, eight hundred thirty-six thousand, three hundred thirty".