61488208 has 20 divisors (see below), whose sum is σ = 120229780. Its totient is φ = 30461184.

The previous prime is 61488187. The next prime is 61488209. The reversal of 61488208 is 80288416.

It can be written as a sum of positive squares in 2 ways, for example, as 17239104 + 44249104 = 4152^2 + 6652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61488209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15885 + ... + 19372.

It is an arithmetic number, because the mean of its divisors is an integer number (6011489).

Almost surely, 2^61488208 is an apocalyptic number.

It is an amenable number.

61488208 is a deficient number, since it is larger than the sum of its proper divisors (58741572).

61488208 is a wasteful number, since it uses less digits than its factorization.

61488208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35374 (or 35368 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 61488208 is about 7841.4417041766. The cubic root of 61488208 is about 394.6971090368.

The spelling of 61488208 in words is "sixty-one million, four hundred eighty-eight thousand, two hundred eight".