746691861 has 16 divisors (see below), whose sum is σ = 1022052416. Its totient is φ = 484638336.

The previous prime is 746691853. The next prime is 746691893. The reversal of 746691861 is 168196647.

It is a happy number.

It is not a de Polignac number, because 746691861 - 2³ = 746691853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 746691861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746691851) by changing a digit.

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, 31131 + ... + 49623.

It is an arithmetic number, because the mean of its divisors is an integer number (63878276).

Almost surely, 2^746691861 is an apocalyptic number.

It is an amenable number.

746691861 is a deficient number, since it is larger than the sum of its proper divisors (275360555).

746691861 is a wasteful number, since it uses less digits than its factorization.

746691861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18852.

The product of its digits is 435456, while the sum is 48.

The square root of 746691861 is about 27325.6630477652. The cubic root of 746691861 is about 907.2224858555. Note that the first 3 decimals are identical.

The spelling of 746691861 in words is "seven hundred forty-six million, six hundred ninety-one thousand, eight hundred sixty-one".