61273674 has 72 divisors (see below), whose sum is σ = 166813920. Its totient is φ = 15911280.

The previous prime is 61273649. The next prime is 61273691. The reversal of 61273674 is 47637216.

61273674 is a `hidden beast` number, since 612 + 7 + 36 + 7 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13237 + ... + 17255.

It is an arithmetic number, because the mean of its divisors is an integer number (2316860).

Almost surely, 2^61273674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61273674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83406960).

61273674 is an abundant number, since it is smaller than the sum of its proper divisors (105540246).

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

61273674 is a wasteful number, since it uses less digits than its factorization.

61273674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056 (or 4042 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 61273674 is about 7827.7502515091. The cubic root of 61273674 is about 394.2375378845.

It can be divided in two parts, 6127 and 3674, that added together give a square (9801 = 99²).

The spelling of 61273674 in words is "sixty-one million, two hundred seventy-three thousand, six hundred seventy-four".