673860807534 has 16 divisors (see below), whose sum is σ = 1349018760960. Its totient is φ = 224404078200.

The previous prime is 673860807523. The next prime is 673860807589. The reversal of 673860807534 is 435708068376.

It is a super-2 number, since 2×673860807534² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54040992 + ... + 54053459.

It is an arithmetic number, because the mean of its divisors is an integer number (84313672560).

Almost surely, 2^673860807534 is an apocalyptic number.

673860807534 is an abundant number, since it is smaller than the sum of its proper divisors (675157953426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673860807534 is a wasteful number, since it uses less digits than its factorization.

673860807534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108095495.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 673860807534 in words is "six hundred seventy-three billion, eight hundred sixty million, eight hundred seven thousand, five hundred thirty-four".