746638345 has 16 divisors (see below), whose sum is σ = 944187840. Its totient is φ = 565233984.

The previous prime is 746638339. The next prime is 746638363. The reversal of 746638345 is 543836647.

It is a cyclic number.

It is not a de Polignac number, because 746638345 - 2⁵ = 746638313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 746638295 and 746638304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90774 + ... + 98656.

It is an arithmetic number, because the mean of its divisors is an integer number (59011740).

Almost surely, 2^746638345 is an apocalyptic number.

It is an amenable number.

746638345 is a deficient number, since it is larger than the sum of its proper divisors (197549495).

746638345 is a wasteful number, since it uses less digits than its factorization.

746638345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904.

The product of its digits is 1451520, while the sum is 46.

The square root of 746638345 is about 27324.6838042090. The cubic root of 746638345 is about 907.2008115518.

The spelling of 746638345 in words is "seven hundred forty-six million, six hundred thirty-eight thousand, three hundred forty-five".