61283270 has 16 divisors (see below), whose sum is σ = 115106400. Its totient is φ = 23447424.

The previous prime is 61283263. The next prime is 61283279. The reversal of 61283270 is 7238216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61283279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132995 + ... + 133454.

It is an arithmetic number, because the mean of its divisors is an integer number (7194150).

Almost surely, 2^61283270 is an apocalyptic number.

61283270 is a deficient number, since it is larger than the sum of its proper divisors (53823130).

61283270 is a wasteful number, since it uses less digits than its factorization.

61283270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266479.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61283270 is about 7828.3631750194. The cubic root of 61283270 is about 394.2581171736.

The spelling of 61283270 in words is "sixty-one million, two hundred eighty-three thousand, two hundred seventy".