61450642 has 16 divisors (see below), whose sum is σ = 101974464. Its totient is φ = 27538000.

The previous prime is 61450639. The next prime is 61450651. The reversal of 61450642 is 24605416.

61450642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61450642.

It is an unprimeable number.

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, 18109 + ... + 21232.

It is an arithmetic number, because the mean of its divisors is an integer number (6373404).

Almost surely, 2^61450642 is an apocalyptic number.

61450642 is a deficient number, since it is larger than the sum of its proper divisors (40523822).

61450642 is a wasteful number, since it uses less digits than its factorization.

61450642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39425.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 61450642 is about 7839.0459878738. The cubic root of 61450642 is about 394.6167130680.

The spelling of 61450642 in words is "sixty-one million, four hundred fifty thousand, six hundred forty-two".