61623342 has 48 divisors (see below), whose sum is σ = 151062912. Its totient is φ = 18672120.

The previous prime is 61623313. The next prime is 61623349. The reversal of 61623342 is 24332616.

61623342 is a `hidden beast` number, since 6 + 1 + 623 + 34 + 2 = 666.

61623342 is digitally balanced in base 2, 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).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61623349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 418 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (3147144).

Almost surely, 2^61623342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61623342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75531456).

61623342 is an abundant number, since it is smaller than the sum of its proper divisors (89439570).

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

61623342 is a wasteful number, since it uses less digits than its factorization.

61623342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11555 (or 11543 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 61623342 is about 7850.0536303900. The cubic root of 61623342 is about 394.9860423418.

Adding to 61623342 its reverse (24332616), we get a palindrome (85955958).

The spelling of 61623342 in words is "sixty-one million, six hundred twenty-three thousand, three hundred forty-two".