61862480 has 40 divisors (see below), whose sum is σ = 151404000. Its totient is φ = 23442048.

The previous prime is 61862459. The next prime is 61862491. The reversal of 61862480 is 8426816.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 61862480.

It is a congruent number.

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, 18830 + ... + 21869.

It is an arithmetic number, because the mean of its divisors is an integer number (3785100).

Almost surely, 2^61862480 is an apocalyptic number.

It is an amenable number.

61862480 is an abundant number, since it is smaller than the sum of its proper divisors (89541520).

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

61862480 is a wasteful number, since it uses less digits than its factorization.

61862480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40731 (or 40725 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 61862480 is about 7865.2704975735. The cubic root of 61862480 is about 395.4963157134.

The spelling of 61862480 in words is "sixty-one million, eight hundred sixty-two thousand, four hundred eighty".