673400715 has 16 divisors (see below), whose sum is σ = 1160321568. Its totient is φ = 331520256.

The previous prime is 673400701. The next prime is 673400723. The reversal of 673400715 is 517004376.

It is not a de Polignac number, because 673400715 - 2¹³ = 673392523 is a prime.

It is a super-2 number, since 2×673400715² = 906937045925022450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726474 + ... + 1726863.

It is an arithmetic number, because the mean of its divisors is an integer number (72520098).

Almost surely, 2^673400715 is an apocalyptic number.

673400715 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

673400715 is a deficient number, since it is larger than the sum of its proper divisors (486920853).

673400715 is a wasteful number, since it uses less digits than its factorization.

673400715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453358.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 673400715 is about 25949.9656069136. The cubic root of 673400715 is about 876.5119828253.

The spelling of 673400715 in words is "six hundred seventy-three million, four hundred thousand, seven hundred fifteen".