61418484 has 36 divisors (see below), whose sum is σ = 164386404. Its totient is φ = 19268352.

The previous prime is 61418453. The next prime is 61418509. The reversal of 61418484 is 48481416.

It can be written as a sum of positive squares in 2 ways, for example, as 31606884 + 29811600 = 5622^2 + 5460^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49567 + ... + 50790.

It is an arithmetic number, because the mean of its divisors is an integer number (4566289).

Almost surely, 2^61418484 is an apocalyptic number.

It is an amenable number.

61418484 is an abundant number, since it is smaller than the sum of its proper divisors (102967920).

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

61418484 is a wasteful number, since it uses less digits than its factorization.

61418484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100384 (or 100379 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 61418484 is about 7836.9945770046. The cubic root of 61418484 is about 394.5478648665.

The spelling of 61418484 in words is "sixty-one million, four hundred eighteen thousand, four hundred eighty-four".