61070973 has 4 divisors (see below), whose sum is σ = 81427968. Its totient is φ = 40713980.

The previous prime is 61070927. The next prime is 61071007. The reversal of 61070973 is 37907016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61070973 - 2⁸ = 61070717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61070173) 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, 10178493 + ... + 10178498.

It is an arithmetic number, because the mean of its divisors is an integer number (20356992).

Almost surely, 2^61070973 is an apocalyptic number.

It is an amenable number.

61070973 is a deficient number, since it is larger than the sum of its proper divisors (20356995).

61070973 is a wasteful number, since it uses less digits than its factorization.

61070973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20356994.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 61070973 is about 7814.7919358099. The cubic root of 61070973 is about 393.8023285455.

Adding to 61070973 its reverse (37907016), we get a palindrome (98977989).

The spelling of 61070973 in words is "sixty-one million, seventy thousand, nine hundred seventy-three".