61400674 has 4 divisors (see below), whose sum is σ = 92101014. Its totient is φ = 30700336.

The previous prime is 61400671. The next prime is 61400683. The reversal of 61400674 is 47600416.

61400674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35462025 + 25938649 = 5955^2 + 5093^2 .

It is not an unprimeable number, because it can be changed into a prime (61400671) 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 as a sum of consecutive naturals, namely, 15350167 + ... + 15350170.

Almost surely, 2^61400674 is an apocalyptic number.

61400674 is a deficient number, since it is larger than the sum of its proper divisors (30700340).

61400674 is a wasteful number, since it uses less digits than its factorization.

61400674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30700339.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 61400674 is about 7835.8582171961. The cubic root of 61400674 is about 394.5097244657.

The spelling of 61400674 in words is "sixty-one million, four hundred thousand, six hundred seventy-four".