61842937 has 8 divisors (see below), whose sum is σ = 66684296. Its totient is φ = 57013632.

The previous prime is 61842931. The next prime is 61842953. The reversal of 61842937 is 73924816.

It can be written as a sum of positive squares in 4 ways, for example, as 3182656 + 58660281 = 1784^2 + 7659^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-61842937 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 61842937.

It is not an unprimeable number, because it can be changed into a prime (61842931) 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, 9643 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (8335537).

Almost surely, 2^61842937 is an apocalyptic number.

It is an amenable number.

61842937 is a deficient number, since it is larger than the sum of its proper divisors (4841359).

61842937 is a wasteful number, since it uses less digits than its factorization.

61842937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027.

The product of its digits is 72576, while the sum is 40.

The square root of 61842937 is about 7864.0280391158. The cubic root of 61842937 is about 395.4546641956.

The spelling of 61842937 in words is "sixty-one million, eight hundred forty-two thousand, nine hundred thirty-seven".