746686478407 has 8 divisors (see below), whose sum is σ = 764958211920. Its totient is φ = 728417595840.

The previous prime is 746686478399. The next prime is 746686478443. The reversal of 746686478407 is 704874686647.

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 746686478407 - 2³ = 746686478399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746686470407) 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, 177657 + ... + 1234882.

It is an arithmetic number, because the mean of its divisors is an integer number (95619776490).

Almost surely, 2^746686478407 is an apocalyptic number.

746686478407 is a deficient number, since it is larger than the sum of its proper divisors (18271733513).

746686478407 is a wasteful number, since it uses less digits than its factorization.

746686478407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425473.

The product of its (nonzero) digits is 303464448, while the sum is 67.

The spelling of 746686478407 in words is "seven hundred forty-six billion, six hundred eighty-six million, four hundred seventy-eight thousand, four hundred seven".