61426002 has 64 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 17666880.

The previous prime is 61425989. The next prime is 61426003. The reversal of 61426002 is 20062416.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61426002.

It is not an unprimeable number, because it can be changed into a prime (61426003) 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, 127999 + ... + 128477.

It is an arithmetic number, because the mean of its divisors is an integer number (2203200).

Almost surely, 2^61426002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61426002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70502400).

61426002 is an abundant number, since it is smaller than the sum of its proper divisors (79578798).

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

61426002 is a wasteful number, since it uses less digits than its factorization.

61426002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61426002 is about 7837.4742104839. The cubic root of 61426002 is about 394.5639625711.

Adding to 61426002 its reverse (20062416), we get a palindrome (81488418).

The spelling of 61426002 in words is "sixty-one million, four hundred twenty-six thousand, two".