61406262 has 40 divisors (see below), whose sum is σ = 139174200. Its totient is φ = 20234016.

The previous prime is 61406249. The next prime is 61406263. The reversal of 61406262 is 26260416.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61406263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12289 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (3479355).

Almost surely, 2^61406262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61406262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69587100).

61406262 is an abundant number, since it is smaller than the sum of its proper divisors (77767938).

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

61406262 is a wasteful number, since it uses less digits than its factorization.

61406262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 61406262 is about 7836.2147750046. The cubic root of 61406262 is about 394.5216920513.

Adding to 61406262 its reverse (26260416), we get a palindrome (87666678).

The spelling of 61406262 in words is "sixty-one million, four hundred six thousand, two hundred sixty-two".