61750620107 has 32 divisors (see below), whose sum is σ = 69901138944. Its totient is φ = 54067737600.

The previous prime is 61750620079. The next prime is 61750620143. The reversal of 61750620107 is 70102605716.

It is a cyclic number.

It is not a de Polignac number, because 61750620107 - 2¹⁰ = 61750619083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61750620187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9073568 + ... + 9080370.

It is an arithmetic number, because the mean of its divisors is an integer number (2184410592).

Almost surely, 2^61750620107 is an apocalyptic number.

61750620107 is a deficient number, since it is larger than the sum of its proper divisors (8150518837).

61750620107 is a wasteful number, since it uses less digits than its factorization.

61750620107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 61750620107 in words is "sixty-one billion, seven hundred fifty million, six hundred twenty thousand, one hundred seven".