61693401 has 24 divisors (see below), whose sum is σ = 104389344. Its totient is φ = 32047680.

The previous prime is 61693339. The next prime is 61693427. The reversal of 61693401 is 10439616.

It is not a de Polignac number, because 61693401 - 2⁷ = 61693273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61694401) by changing a digit.

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, 17460 + ... + 20693.

It is an arithmetic number, because the mean of its divisors is an integer number (4349556).

Almost surely, 2^61693401 is an apocalyptic number.

It is an amenable number.

61693401 is a deficient number, since it is larger than the sum of its proper divisors (42695943).

61693401 is a wasteful number, since it uses less digits than its factorization.

61693401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38181 (or 38174 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61693401 is about 7854.5146890180. The cubic root of 61693401 is about 395.1356709623.

The spelling of 61693401 in words is "sixty-one million, six hundred ninety-three thousand, four hundred one".