61377802 has 4 divisors (see below), whose sum is σ = 92066706. Its totient is φ = 30688900.

The previous prime is 61377793. The next prime is 61377821. The reversal of 61377802 is 20877316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45144961 + 16232841 = 6719^2 + 4029^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15344449 + ... + 15344452.

Almost surely, 2^61377802 is an apocalyptic number.

61377802 is a deficient number, since it is larger than the sum of its proper divisors (30688904).

61377802 is a wasteful number, since it uses less digits than its factorization.

61377802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30688903.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 61377802 is about 7834.3986367813. The cubic root of 61377802 is about 394.4607328914.

The spelling of 61377802 in words is "sixty-one million, three hundred seventy-seven thousand, eight hundred two".