61069807 has 4 divisors (see below), whose sum is σ = 63725040. Its totient is φ = 58414576.

The previous prime is 61069769. The next prime is 61069817. The reversal of 61069807 is 70896016.

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 61069807 - 2¹⁹ = 60545519 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 (61069817) 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, 1327582 + ... + 1327627.

It is an arithmetic number, because the mean of its divisors is an integer number (15931260).

Almost surely, 2^61069807 is an apocalyptic number.

61069807 is a deficient number, since it is larger than the sum of its proper divisors (2655233).

61069807 is a wasteful number, since it uses less digits than its factorization.

61069807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655232.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 61069807 is about 7814.7173333397. The cubic root of 61069807 is about 393.7998223006.

The spelling of 61069807 in words is "sixty-one million, sixty-nine thousand, eight hundred seven".