61004790 has 96 divisors (see below), whose sum is σ = 197773056. Its totient is φ = 12674880.

The previous prime is 61004767. The next prime is 61004813. The reversal of 61004790 is 9740016.

61004790 is a `hidden beast` number, since 610 + 0 + 47 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (61004767) and next prime (61004813).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2529 + ... + 11331.

It is an arithmetic number, because the mean of its divisors is an integer number (2060136).

Almost surely, 2^61004790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61004790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98886528).

61004790 is an abundant number, since it is smaller than the sum of its proper divisors (136768266).

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

61004790 is a wasteful number, since it uses less digits than its factorization.

61004790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8834 (or 8831 counting only the distinct ones).

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

The square root of 61004790 is about 7810.5563182145. The cubic root of 61004790 is about 393.6600217681.

The spelling of 61004790 in words is "sixty-one million, four thousand, seven hundred ninety".