61457226 has 8 divisors (see below), whose sum is σ = 122914464. Its totient is φ = 20485740.

The previous prime is 61457213. The next prime is 61457233. The reversal of 61457226 is 62275416.

61457226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

61457226 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121430 + ... + 5121441.

It is an arithmetic number, because the mean of its divisors is an integer number (15364308).

Almost surely, 2^61457226 is an apocalyptic number.

61457226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61457226 is a wasteful number, since it uses less digits than its factorization.

61457226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242876.

The product of its digits is 20160, while the sum is 33.

The square root of 61457226 is about 7839.4659256865. The cubic root of 61457226 is about 394.6308060244.

The spelling of 61457226 in words is "sixty-one million, four hundred fifty-seven thousand, two hundred twenty-six".