61074090 has 144 divisors (see below), whose sum is σ = 201670560. Its totient is φ = 12680640.

The previous prime is 61074067. The next prime is 61074121. The reversal of 61074090 is 9047016.

61074090 is a `hidden beast` number, since 610 + 7 + 40 + 9 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47881 + ... + 49139.

It is an arithmetic number, because the mean of its divisors is an integer number (1400490).

Almost surely, 2^61074090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61074090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100835280).

61074090 is an abundant number, since it is smaller than the sum of its proper divisors (140596470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61074090 is a wasteful number, since it uses less digits than its factorization.

61074090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 61074090 is about 7814.9913627591. The cubic root of 61074090 is about 393.8090281875.

The spelling of 61074090 in words is "sixty-one million, seventy-four thousand, ninety".