61448292 has 18 divisors (see below), whose sum is σ = 155327718. Its totient is φ = 20482752.

The previous prime is 61448291. The next prime is 61448297. The reversal of 61448292 is 29284416.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 14333796 = 6864^2 + 3786^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1706897 = 61448292 / (6 + 1 + 4 + 4 + 8 + 2 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (61448291) 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 in 5 ways as a sum of consecutive naturals, for example, 853413 + ... + 853484.

Almost surely, 2^61448292 is an apocalyptic number.

It is an amenable number.

61448292 is an abundant number, since it is smaller than the sum of its proper divisors (93879426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61448292 is a wasteful number, since it uses less digits than its factorization.

61448292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706907 (or 1706902 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 61448292 is about 7838.8960957523. The cubic root of 61448292 is about 394.6116826833.

The spelling of 61448292 in words is "sixty-one million, four hundred forty-eight thousand, two hundred ninety-two".