61474290 has 16 divisors (see below), whose sum is σ = 147538368. Its totient is φ = 16393136.

The previous prime is 61474289. The next prime is 61474319. The reversal of 61474290 is 9247416.

It is a happy number.

61474290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 7 ways as a sum of consecutive naturals, for example, 1024542 + ... + 1024601.

It is an arithmetic number, because the mean of its divisors is an integer number (9221148).

Almost surely, 2^61474290 is an apocalyptic number.

61474290 is an abundant number, since it is smaller than the sum of its proper divisors (86064078).

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

61474290 is a wasteful number, since it uses less digits than its factorization.

61474290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049153.

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

The square root of 61474290 is about 7840.5541895965. The cubic root of 61474290 is about 394.6673265844.

The spelling of 61474290 in words is "sixty-one million, four hundred seventy-four thousand, two hundred ninety".