61988026 has 8 divisors (see below), whose sum is σ = 95144544. Its totient is φ = 30273180.

The previous prime is 61987999. The next prime is 61988027. The reversal of 61988026 is 62088916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61988026.

It is not an unprimeable number, because it can be changed into a prime (61988027) 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, 360310 + ... + 360481.

It is an arithmetic number, because the mean of its divisors is an integer number (11893068).

Almost surely, 2^61988026 is an apocalyptic number.

61988026 is a deficient number, since it is larger than the sum of its proper divisors (33156518).

61988026 is a wasteful number, since it uses less digits than its factorization.

61988026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720836.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 61988026 is about 7873.2474875365. The cubic root of 61988026 is about 395.7636798684.

The spelling of 61988026 in words is "sixty-one million, nine hundred eighty-eight thousand, twenty-six".