65672051 has 8 divisors (see below), whose sum is σ = 68303664. Its totient is φ = 63090720.

The previous prime is 65672039. The next prime is 65672053. The reversal of 65672051 is 15027656.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 65672051 - 2⁶ = 65671987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65671999 and 65672017.

It is not an unprimeable number, because it can be changed into a prime (65672053) 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, 9896 + ... + 15141.

It is an arithmetic number, because the mean of its divisors is an integer number (8537958).

Almost surely, 2^65672051 is an apocalyptic number.

65672051 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

65672051 is a deficient number, since it is larger than the sum of its proper divisors (2631613).

65672051 is a wasteful number, since it uses less digits than its factorization.

65672051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25141.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 65672051 is about 8103.8294034364. The cubic root of 65672051 is about 403.4535364851.

The spelling of 65672051 in words is "sixty-five million, six hundred seventy-two thousand, fifty-one".