61673607 has 6 divisors (see below), whose sum is σ = 89084112. Its totient is φ = 41115732.

The previous prime is 61673531. The next prime is 61673611. The reversal of 61673607 is 70637616.

61673607 is a `hidden beast` number, since 616 + 7 + 36 + 0 + 7 = 666.

It is not a de Polignac number, because 61673607 - 2²⁰ = 60625031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61673407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3426303 + ... + 3426320.

It is an arithmetic number, because the mean of its divisors is an integer number (14847352).

Almost surely, 2^61673607 is an apocalyptic number.

61673607 is a deficient number, since it is larger than the sum of its proper divisors (27410505).

61673607 is a wasteful number, since it uses less digits than its factorization.

61673607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852629 (or 6852626 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 61673607 is about 7853.2545482749. The cubic root of 61673607 is about 395.0934073816.

The spelling of 61673607 in words is "sixty-one million, six hundred seventy-three thousand, six hundred seven".