61058740 has 12 divisors (see below), whose sum is σ = 128223396. Its totient is φ = 24423488.

The previous prime is 61058731. The next prime is 61058741. The reversal of 61058740 is 4785016.

61058740 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 38987536 = 4698^2 + 6244^2 .

61058740 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61058741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526449 + ... + 1526488.

It is an arithmetic number, because the mean of its divisors is an integer number (10685283).

Almost surely, 2^61058740 is an apocalyptic number.

It is an amenable number.

61058740 is an abundant number, since it is smaller than the sum of its proper divisors (67164656).

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

61058740 is a wasteful number, since it uses less digits than its factorization.

61058740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052946 (or 3052944 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 61058740 is about 7814.0092142254. The cubic root of 61058740 is about 393.7760328803.

The spelling of 61058740 in words is "sixty-one million, fifty-eight thousand, seven hundred forty".