61140602 has 8 divisors (see below), whose sum is σ = 97105716. Its totient is φ = 28772032.

The previous prime is 61140523. The next prime is 61140623. The reversal of 61140602 is 20604116.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61011721 + 128881 = 7811^2 + 359^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899093 + ... + 899160.

Almost surely, 2^61140602 is an apocalyptic number.

61140602 is a deficient number, since it is larger than the sum of its proper divisors (35965114).

61140602 is a wasteful number, since it uses less digits than its factorization.

61140602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798272.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 61140602 is about 7819.2456157867. The cubic root of 61140602 is about 393.9519339786.

Adding to 61140602 its reverse (20604116), we get a palindrome (81744718).

The spelling of 61140602 in words is "sixty-one million, one hundred forty thousand, six hundred two".