61740634 has 16 divisors (see below), whose sum is σ = 99525888. Its totient is φ = 28619712.

The previous prime is 61740607. The next prime is 61740641. The reversal of 61740634 is 43604716.

It is a junction number, because it is equal to n+sod(n) for n = 61740596 and 61740605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11274 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (6220368).

Almost surely, 2^61740634 is an apocalyptic number.

61740634 is a deficient number, since it is larger than the sum of its proper divisors (37785254).

61740634 is a wasteful number, since it uses less digits than its factorization.

61740634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27189.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 61740634 is about 7857.5208558425. The cubic root of 61740634 is about 395.2364849981.

The spelling of 61740634 in words is "sixty-one million, seven hundred forty thousand, six hundred thirty-four".