61208274 has 16 divisors (see below), whose sum is σ = 122630112. Its totient is φ = 20367168.

The previous prime is 61208243. The next prime is 61208281. The reversal of 61208274 is 47280216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (7664382).

Almost surely, 2^61208274 is an apocalyptic number.

61208274 is an abundant number, since it is smaller than the sum of its proper divisors (61421838).

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

61208274 is a wasteful number, since it uses less digits than its factorization.

61208274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 61208274 is about 7823.5716907305. The cubic root of 61208274 is about 394.0972257848.

It can be divided in two parts, 61 and 208274, that added together give a triangular number (208335 = T₆₄₅).

The spelling of 61208274 in words is "sixty-one million, two hundred eight thousand, two hundred seventy-four".