61974404 has 6 divisors (see below), whose sum is σ = 108455214. Its totient is φ = 30987200.

The previous prime is 61974391. The next prime is 61974431. The reversal of 61974404 is 40447916.

61974404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 49000000 + 12974404 = 7000^2 + 3602^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7746797 + ... + 7746804.

It is an arithmetic number, because the mean of its divisors is an integer number (18075869).

Almost surely, 2^61974404 is an apocalyptic number.

It is an amenable number.

61974404 is a deficient number, since it is larger than the sum of its proper divisors (46480810).

61974404 is a wasteful number, since it uses less digits than its factorization.

61974404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15493605 (or 15493603 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 61974404 is about 7872.3823586002. The cubic root of 61974404 is about 395.7346877756.

It can be divided in two parts, 6197 and 4404, that added together give a palindrome (10601).

The spelling of 61974404 in words is "sixty-one million, nine hundred seventy-four thousand, four hundred four".