61413210 has 48 divisors (see below), whose sum is σ = 160767360. Its totient is φ = 16264800.

The previous prime is 61413199. The next prime is 61413211. The reversal of 61413210 is 1231416.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (61413211) 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, 11331 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (3349320).

Almost surely, 2^61413210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61413210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80383680).

61413210 is an abundant number, since it is smaller than the sum of its proper divisors (99354150).

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

61413210 is a wasteful number, since it uses less digits than its factorization.

61413210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 61413210 is about 7836.6580887519. The cubic root of 61413210 is about 394.5365712794.

Adding to 61413210 its reverse (1231416), we get a palindrome (62644626).

It can be divided in two parts, 614 and 13210, that added together give a cube (13824 = 24³).

The spelling of 61413210 in words is "sixty-one million, four hundred thirteen thousand, two hundred ten".