746365423721 has 32 divisors (see below), whose sum is σ = 811148083200. Its totient is φ = 685029119040.

The previous prime is 746365423709. The next prime is 746365423747. The reversal of 746365423721 is 127324563647.

It is a de Polignac number, because none of the positive numbers 2^k-746365423721 is a prime.

It is a super-2 number, since 2×746365423721² (a number of 25 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 746365423721.

It is not an unprimeable number, because it can be changed into a prime (746365423621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78867236 + ... + 78876698.

It is an arithmetic number, because the mean of its divisors is an integer number (25348377600).

Almost surely, 2^746365423721 is an apocalyptic number.

It is an amenable number.

746365423721 is a deficient number, since it is larger than the sum of its proper divisors (64782659479).

746365423721 is a wasteful number, since it uses less digits than its factorization.

746365423721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069.

The product of its digits is 5080320, while the sum is 50.

The spelling of 746365423721 in words is "seven hundred forty-six billion, three hundred sixty-five million, four hundred twenty-three thousand, seven hundred twenty-one".