2073664487 has 8 divisors (see below), whose sum is σ = 2120561856. Its totient is φ = 2026882912.

The previous prime is 2073664457. The next prime is 2073664501. The reversal of 2073664487 is 7844663702.

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 2073664487 - 2⁸ = 2073664231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073664457) 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, 7793 + ... + 64869.

It is an arithmetic number, because the mean of its divisors is an integer number (265070232).

Almost surely, 2^2073664487 is an apocalyptic number.

2073664487 is a deficient number, since it is larger than the sum of its proper divisors (46897369).

2073664487 is an equidigital number, since it uses as much as digits as its factorization.

2073664487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57897.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The square root of 2073664487 is about 45537.5063766122. The cubic root of 2073664487 is about 1275.2035019529.

The spelling of 2073664487 in words is "two billion, seventy-three million, six hundred sixty-four thousand, four hundred eighty-seven".