61690341 has 16 divisors (see below), whose sum is σ = 86353920. Its totient is φ = 39122160.

The previous prime is 61690339. The next prime is 61690373. The reversal of 61690341 is 14309616.

It is not a de Polignac number, because 61690341 - 2¹ = 61690339 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61690299 and 61690308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61694341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (5397120).

Almost surely, 2^61690341 is an apocalyptic number.

It is an amenable number.

61690341 is a deficient number, since it is larger than the sum of its proper divisors (24663579).

61690341 is a wasteful number, since it uses less digits than its factorization.

61690341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61690341 is about 7854.3198941729. The cubic root of 61690341 is about 395.1291379289.

Adding to 61690341 its reverse (14309616), we get a palindrome (75999957).

The spelling of 61690341 in words is "sixty-one million, six hundred ninety thousand, three hundred forty-one".