61774254 has 12 divisors (see below), whose sum is σ = 133844256. Its totient is φ = 20591412.

The previous prime is 61774253. The next prime is 61774267. The reversal of 61774254 is 45247716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61774253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1715934 + ... + 1715969.

It is an arithmetic number, because the mean of its divisors is an integer number (11153688).

Almost surely, 2^61774254 is an apocalyptic number.

61774254 is an abundant number, since it is smaller than the sum of its proper divisors (72070002).

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

61774254 is a wasteful number, since it uses less digits than its factorization.

61774254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431911 (or 3431908 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 61774254 is about 7859.6599163068. The cubic root of 61774254 is about 395.3082121497.

It can be divided in two parts, 617742 and 54, that added together give a square (617796 = 786²).

The spelling of 61774254 in words is "sixty-one million, seven hundred seventy-four thousand, two hundred fifty-four".