61204974 has 16 divisors (see below), whose sum is σ = 126359040. Its totient is φ = 19743480.

The previous prime is 61204973. The next prime is 61204991. The reversal of 61204974 is 47940216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61204973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164344 + ... + 164715.

It is an arithmetic number, because the mean of its divisors is an integer number (7897440).

Almost surely, 2^61204974 is an apocalyptic number.

61204974 is an abundant number, since it is smaller than the sum of its proper divisors (65154066).

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

61204974 is a wasteful number, since it uses less digits than its factorization.

61204974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329095.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 61204974 is about 7823.3607867719. The cubic root of 61204974 is about 394.0901431682.

The spelling of 61204974 in words is "sixty-one million, two hundred four thousand, nine hundred seventy-four".