61798995 has 24 divisors (see below), whose sum is σ = 113420736. Its totient is φ = 31020288.

The previous prime is 61798987. The next prime is 61799009. The reversal of 61798995 is 59989716.

It is not a de Polignac number, because 61798995 - 2³ = 61798987 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 39627 + ... + 41156.

It is an arithmetic number, because the mean of its divisors is an integer number (4725864).

Almost surely, 2^61798995 is an apocalyptic number.

61798995 is a deficient number, since it is larger than the sum of its proper divisors (51621741).

61798995 is a wasteful number, since it uses less digits than its factorization.

61798995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80811 (or 80808 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 61798995 is about 7861.2336818085. The cubic root of 61798995 is about 395.3609796293.

The spelling of 61798995 in words is "sixty-one million, seven hundred ninety-eight thousand, nine hundred ninety-five".