61067345 has 4 divisors (see below), whose sum is σ = 73280820. Its totient is φ = 48853872.

The previous prime is 61067341. The next prime is 61067389. The reversal of 61067345 is 54376016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31820881 + 29246464 = 5641^2 + 5408^2 .

It is a cyclic number.

It is not a de Polignac number, because 61067345 - 2² = 61067341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61067341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6106730 + ... + 6106739.

It is an arithmetic number, because the mean of its divisors is an integer number (18320205).

Almost surely, 2^61067345 is an apocalyptic number.

It is an amenable number.

61067345 is a deficient number, since it is larger than the sum of its proper divisors (12213475).

61067345 is a wasteful number, since it uses less digits than its factorization.

61067345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12213474.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 61067345 is about 7814.5598084601. The cubic root of 61067345 is about 393.7945302791.

The spelling of 61067345 in words is "sixty-one million, sixty-seven thousand, three hundred forty-five".