65971401 has 8 divisors (see below), whose sum is σ = 92591520. Its totient is φ = 41666112.

The previous prime is 65971369. The next prime is 65971403. The reversal of 65971401 is 10417956.

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

It is not a de Polignac number, because 65971401 - 2⁵ = 65971369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65971403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578640 + ... + 578753.

It is an arithmetic number, because the mean of its divisors is an integer number (11573940).

Almost surely, 2^65971401 is an apocalyptic number.

It is an amenable number.

65971401 is a deficient number, since it is larger than the sum of its proper divisors (26620119).

65971401 is a wasteful number, since it uses less digits than its factorization.

65971401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157415.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 65971401 is about 8122.2780671435. The cubic root of 65971401 is about 404.0656222031.

The spelling of 65971401 in words is "sixty-five million, nine hundred seventy-one thousand, four hundred one".