61343450 has 24 divisors (see below), whose sum is σ = 130399392. Its totient is φ = 21031920.

The previous prime is 61343431. The next prime is 61343459. The reversal of 61343450 is 5434316.

It is not an unprimeable number, because it can be changed into a prime (61343459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87284 + ... + 87983.

It is an arithmetic number, because the mean of its divisors is an integer number (5433308).

Almost surely, 2^61343450 is an apocalyptic number.

61343450 is an abundant number, since it is smaller than the sum of its proper divisors (69055942).

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

61343450 is a wasteful number, since it uses less digits than its factorization.

61343450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175286 (or 175281 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 61343450 is about 7832.2059472412. The cubic root of 61343450 is about 394.3871284099.

Adding to 61343450 its reverse (5434316), we get a palindrome (66777766).

The spelling of 61343450 in words is "sixty-one million, three hundred forty-three thousand, four hundred fifty".