61227774 has 24 divisors (see below), whose sum is σ = 134837352. Its totient is φ = 20074320.

The previous prime is 61227763. The next prime is 61227779. The reversal of 61227774 is 47772216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61227779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26784 + ... + 28979.

It is an arithmetic number, because the mean of its divisors is an integer number (5618223).

Almost surely, 2^61227774 is an apocalyptic number.

61227774 is an abundant number, since it is smaller than the sum of its proper divisors (73609578).

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

61227774 is a wasteful number, since it uses less digits than its factorization.

61227774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55832 (or 55829 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 61227774 is about 7824.8178253554. The cubic root of 61227774 is about 394.1390724147.

It can be divided in two parts, 61227 and 774, that added together give a square (62001 = 249²).

The spelling of 61227774 in words is "sixty-one million, two hundred twenty-seven thousand, seven hundred seventy-four".