61869430 has 32 divisors (see below), whose sum is σ = 127644480. Its totient is φ = 21150720.

The previous prime is 61869371. The next prime is 61869449. The reversal of 61869430 is 3496816.

61869430 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 (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 61869430.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 27550 + ... + 29710.

It is an arithmetic number, because the mean of its divisors is an integer number (3988890).

Almost surely, 2^61869430 is an apocalyptic number.

61869430 is an abundant number, since it is smaller than the sum of its proper divisors (65775050).

61869430 is a wasteful number, since it uses less digits than its factorization.

61869430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 61869430 is about 7865.7123008663. The cubic root of 61869430 is about 395.5111259638.

The spelling of 61869430 in words is "sixty-one million, eight hundred sixty-nine thousand, four hundred thirty".