61576607 has 4 divisors (see below), whose sum is σ = 62141640. Its totient is φ = 61011576.

The previous prime is 61576591. The next prime is 61576609. The reversal of 61576607 is 70667516.

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

It is a cyclic number.

It is not a de Polignac number, because 61576607 - 2⁴ = 61576591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61576609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282353 + ... + 282570.

It is an arithmetic number, because the mean of its divisors is an integer number (15535410).

Almost surely, 2^61576607 is an apocalyptic number.

61576607 is a deficient number, since it is larger than the sum of its proper divisors (565033).

61576607 is a wasteful number, since it uses less digits than its factorization.

61576607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565032.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 61576607 is about 7847.0763345338. The cubic root of 61576607 is about 394.8861649217.

Subtracting 61576607 from its reverse (70667516), we obtain a palindrome (9090909).

The spelling of 61576607 in words is "sixty-one million, five hundred seventy-six thousand, six hundred seven".