61707242 has 16 divisors (see below), whose sum is σ = 93474432. Its totient is φ = 30551040.

The previous prime is 61707241. The next prime is 61707257. The reversal of 61707242 is 24270716.

It is not an unprimeable number, because it can be changed into a prime (61707241) 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, 139073 + ... + 139515.

It is an arithmetic number, because the mean of its divisors is an integer number (5842152).

Almost surely, 2^61707242 is an apocalyptic number.

61707242 is a deficient number, since it is larger than the sum of its proper divisors (31767190).

61707242 is a wasteful number, since it uses less digits than its factorization.

61707242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 61707242 is about 7855.3957252324. The cubic root of 61707242 is about 395.1652184978.

Adding to 61707242 its reverse (24270716), we get a palindrome (85977958).

The spelling of 61707242 in words is "sixty-one million, seven hundred seven thousand, two hundred forty-two".