61084642 has 16 divisors (see below), whose sum is σ = 96105600. Its totient is φ = 29063232.

The previous prime is 61084633. The next prime is 61084649. The reversal of 61084642 is 24648016.

It is not an unprimeable number, because it can be changed into a prime (61084649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5818 + ... + 12490.

It is an arithmetic number, because the mean of its divisors is an integer number (6006600).

Almost surely, 2^61084642 is an apocalyptic number.

61084642 is a deficient number, since it is larger than the sum of its proper divisors (35020958).

61084642 is a wasteful number, since it uses less digits than its factorization.

61084642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 61084642 is about 7815.6664463115. Note that the first 3 decimals coincide. The cubic root of 61084642 is about 393.8317068366.

The spelling of 61084642 in words is "sixty-one million, eighty-four thousand, six hundred forty-two".