61478372 has 12 divisors (see below), whose sum is σ = 107882880. Its totient is φ = 30654696.

The previous prime is 61478371. The next prime is 61478399. The reversal of 61478372 is 27387416.

61478372 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 (61478371) 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, 19472 + ... + 22407.

It is an arithmetic number, because the mean of its divisors is an integer number (8990240).

Almost surely, 2^61478372 is an apocalyptic number.

It is an amenable number.

61478372 is a deficient number, since it is larger than the sum of its proper divisors (46404508).

61478372 is a wasteful number, since it uses less digits than its factorization.

61478372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42250 (or 42248 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 61478372 is about 7840.8144985072. The cubic root of 61478372 is about 394.6760619238.

The spelling of 61478372 in words is "sixty-one million, four hundred seventy-eight thousand, three hundred seventy-two".