61009892 has 24 divisors (see below), whose sum is σ = 114426816. Its totient is φ = 28388448.

The previous prime is 61009867. The next prime is 61009909. The reversal of 61009892 is 29890016.

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, 5558 + ... + 12365.

It is an arithmetic number, because the mean of its divisors is an integer number (4767784).

Almost surely, 2^61009892 is an apocalyptic number.

It is an amenable number.

61009892 is a deficient number, since it is larger than the sum of its proper divisors (53416924).

61009892 is a wasteful number, since it uses less digits than its factorization.

61009892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17987 (or 17985 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 61009892 is about 7810.8829206435. The cubic root of 61009892 is about 393.6709957558.

The spelling of 61009892 in words is "sixty-one million, nine thousand, eight hundred ninety-two".