61602420 has 48 divisors (see below), whose sum is σ = 188169408. Its totient is φ = 14933760.

The previous prime is 61602397. The next prime is 61602421. The reversal of 61602420 is 2420616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61602421) 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 15 ways as a sum of consecutive naturals, for example, 46009 + ... + 47328.

It is an arithmetic number, because the mean of its divisors is an integer number (3920196).

Almost surely, 2^61602420 is an apocalyptic number.

61602420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61602420 is an abundant number, since it is smaller than the sum of its proper divisors (126566988).

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

61602420 is a wasteful number, since it uses less digits than its factorization.

61602420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93360 (or 93358 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 61602420 is about 7848.7209149007. The cubic root of 61602420 is about 394.9413361579.

The spelling of 61602420 in words is "sixty-one million, six hundred two thousand, four hundred twenty".