61540714 has 16 divisors (see below), whose sum is σ = 98714376. Its totient is φ = 28672000.

The previous prime is 61540711. The next prime is 61540733. The reversal of 61540714 is 41704516.

61540714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56625625 + 4915089 = 7525^2 + 2217^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (61540711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527 + ... + 12394.

Almost surely, 2^61540714 is an apocalyptic number.

61540714 is a deficient number, since it is larger than the sum of its proper divisors (37173662).

61540714 is a wasteful number, since it uses less digits than its factorization.

61540714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18041.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 61540714 is about 7844.7889710304. The cubic root of 61540714 is about 394.8094236362.

The spelling of 61540714 in words is "sixty-one million, five hundred forty thousand, seven hundred fourteen".