61402804 has 12 divisors (see below), whose sum is σ = 107547300. Its totient is φ = 30675008.

The previous prime is 61402787. The next prime is 61402823. The reversal of 61402804 is 40820416.

It can be written as a sum of positive squares in 2 ways, for example, as 35880100 + 25522704 = 5990^2 + 5052^2 .

It is a congruent number.

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, 799 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (8962275).

Almost surely, 2^61402804 is an apocalyptic number.

It is an amenable number.

61402804 is a deficient number, since it is larger than the sum of its proper divisors (46144496).

61402804 is a wasteful number, since it uses less digits than its factorization.

61402804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 61402804 is about 7835.9941296558. The cubic root of 61402804 is about 394.5142862831.

The spelling of 61402804 in words is "sixty-one million, four hundred two thousand, eight hundred four".