61828741 has 8 divisors (see below), whose sum is σ = 67175640. Its totient is φ = 56566272.

The previous prime is 61828733. The next prime is 61828747. The reversal of 61828741 is 14782816.

It can be written as a sum of positive squares in 4 ways, for example, as 3076516 + 58752225 = 1754^2 + 7665^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61828741 - 2³ = 61828733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61828741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61828747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19576 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (8396955).

Almost surely, 2^61828741 is an apocalyptic number.

It is an amenable number.

61828741 is a deficient number, since it is larger than the sum of its proper divisors (5346899).

61828741 is a wasteful number, since it uses less digits than its factorization.

61828741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215.

The product of its digits is 21504, while the sum is 37.

The square root of 61828741 is about 7863.1253964311. The cubic root of 61828741 is about 395.4244031058.

The spelling of 61828741 in words is "sixty-one million, eight hundred twenty-eight thousand, seven hundred forty-one".