61090794 has 64 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 19782144.

The previous prime is 61090789. The next prime is 61090817. The reversal of 61090794 is 49709016.

It is a super-2 number, since 2×61090794² = 7464170223100872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560412 + ... + 560520.

It is an arithmetic number, because the mean of its divisors is an integer number (2182950).

Almost surely, 2^61090794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61090794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69854400).

61090794 is an abundant number, since it is smaller than the sum of its proper divisors (78618006).

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

61090794 is a wasteful number, since it uses less digits than its factorization.

61090794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 61090794 is about 7816.0600048874. The cubic root of 61090794 is about 393.8449276793.

The spelling of 61090794 in words is "sixty-one million, ninety thousand, seven hundred ninety-four".