61603364 has 6 divisors (see below), whose sum is σ = 107805894. Its totient is φ = 30801680.

The previous prime is 61603309. The next prime is 61603379. The reversal of 61603364 is 46330616.

It can be written as a sum of positive squares in only one way, i.e., 58644964 + 2958400 = 7658^2 + 1720^2 .

It is a super-2 number, since 2×61603364² = 7589948912232992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7700417 + ... + 7700424.

It is an arithmetic number, because the mean of its divisors is an integer number (17967649).

Almost surely, 2^61603364 is an apocalyptic number.

It is an amenable number.

61603364 is a deficient number, since it is larger than the sum of its proper divisors (46202530).

61603364 is a wasteful number, since it uses less digits than its factorization.

61603364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400845 (or 15400843 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 61603364 is about 7848.7810518577. The cubic root of 61603364 is about 394.9433535175.

The spelling of 61603364 in words is "sixty-one million, six hundred three thousand, three hundred sixty-four".