61718952 has 32 divisors (see below), whose sum is σ = 155520000. Its totient is φ = 20409984.

The previous prime is 61718933. The next prime is 61718953. The reversal of 61718952 is 25981716.

61718952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61718952.

It is not an unprimeable number, because it can be changed into a prime (61718953) by changing a digit.

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, 7077 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (4860000).

Almost surely, 2^61718952 is an apocalyptic number.

It is an amenable number.

61718952 is an abundant number, since it is smaller than the sum of its proper divisors (93801048).

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

61718952 is a wasteful number, since it uses less digits than its factorization.

61718952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385 (or 20381 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 61718952 is about 7856.1410374305. The cubic root of 61718952 is about 395.1902133600.

The spelling of 61718952 in words is "sixty-one million, seven hundred eighteen thousand, nine hundred fifty-two".