673190412378 has 64 divisors (see below), whose sum is σ = 1472758751232. Its totient is φ = 203445103680.

The previous prime is 673190412371. The next prime is 673190412397. The reversal of 673190412378 is 873214091376.

It is a happy number.

It is a super-2 number, since 2×673190412378² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673190412378.

It is not an unprimeable number, because it can be changed into a prime (673190412371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39761751 + ... + 39778677.

It is an arithmetic number, because the mean of its divisors is an integer number (23011855488).

Almost surely, 2^673190412378 is an apocalyptic number.

673190412378 is an abundant number, since it is smaller than the sum of its proper divisors (799568338854).

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

673190412378 is a wasteful number, since it uses less digits than its factorization.

673190412378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18539.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 673190412378 in words is "six hundred seventy-three billion, one hundred ninety million, four hundred twelve thousand, three hundred seventy-eight".