61371788 has 12 divisors (see below), whose sum is σ = 107745960. Its totient is φ = 30587232.

The previous prime is 61371787. The next prime is 61371809. The reversal of 61371788 is 88717316.

61371788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61371781) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 23258 + ... + 25761.

It is an arithmetic number, because the mean of its divisors is an integer number (8978830).

Almost surely, 2^61371788 is an apocalyptic number.

It is an amenable number.

61371788 is a deficient number, since it is larger than the sum of its proper divisors (46374172).

61371788 is a wasteful number, since it uses less digits than its factorization.

61371788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49336 (or 49334 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 61371788 is about 7834.0148072365. The cubic root of 61371788 is about 394.4478489483.

The spelling of 61371788 in words is "sixty-one million, three hundred seventy-one thousand, seven hundred eighty-eight".