61742540662 has 16 divisors (see below), whose sum is σ = 101037067200. Its totient is φ = 28063730440.

The previous prime is 61742540653. The next prime is 61742540663. The reversal of 61742540662 is 26604524716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61742540663) 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 7 ways as a sum of consecutive naturals, for example, 1082289 + ... + 1137907.

It is an arithmetic number, because the mean of its divisors is an integer number (6314816700).

Almost surely, 2^61742540662 is an apocalyptic number.

61742540662 is a deficient number, since it is larger than the sum of its proper divisors (39294526538).

61742540662 is a wasteful number, since it uses less digits than its factorization.

61742540662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106091.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 61742540662 in words is "sixty-one billion, seven hundred forty-two million, five hundred forty thousand, six hundred sixty-two".