61690754 has 16 divisors (see below), whose sum is σ = 94400640. Its totient is φ = 30227280.

The previous prime is 61690753. The next prime is 61690789. The reversal of 61690754 is 45709616.

61690754 = T₁₀ + T₁₁ + ... + T₇₁₇.

61690754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61690751) 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, 50252 + ... + 51464.

It is an arithmetic number, because the mean of its divisors is an integer number (5900040).

Almost surely, 2^61690754 is an apocalyptic number.

61690754 is a deficient number, since it is larger than the sum of its proper divisors (32709886).

61690754 is a wasteful number, since it uses less digits than its factorization.

61690754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 61690754 is about 7854.3461853932. The cubic root of 61690754 is about 395.1300196875.

The spelling of 61690754 in words is "sixty-one million, six hundred ninety thousand, seven hundred fifty-four".