61474148 has 6 divisors (see below), whose sum is σ = 107579766. Its totient is φ = 30737072.

The previous prime is 61474141. The next prime is 61474183. The reversal of 61474148 is 84147416.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 18335524 = 6568^2 + 4282^2 .

It is not an unprimeable number, because it can be changed into a prime (61474141) by changing a digit.

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, 7684265 + ... + 7684272.

It is an arithmetic number, because the mean of its divisors is an integer number (17929961).

Almost surely, 2^61474148 is an apocalyptic number.

It is an amenable number.

61474148 is a deficient number, since it is larger than the sum of its proper divisors (46105618).

61474148 is a wasteful number, since it uses less digits than its factorization.

61474148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15368541 (or 15368539 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 61474148 is about 7840.5451341090. The cubic root of 61474148 is about 394.6670227023.

The spelling of 61474148 in words is "sixty-one million, four hundred seventy-four thousand, one hundred forty-eight".