61078407 has 32 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 35292672.

The previous prime is 61078373. The next prime is 61078411. The reversal of 61078407 is 70487016.

It is not a de Polignac number, because 61078407 - 2⁶ = 61078343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61078417) 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 31 ways as a sum of consecutive naturals, for example, 102703 + ... + 103295.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^61078407 is an apocalyptic number.

61078407 is a deficient number, since it is larger than the sum of its proper divisors (32060793).

61078407 is a wasteful number, since it uses less digits than its factorization.

61078407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 61078407 is about 7815.2675577999. The cubic root of 61078407 is about 393.8183067186.

The spelling of 61078407 in words is "sixty-one million, seventy-eight thousand, four hundred seven".