746991 has 24 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 418320.

The previous prime is 746989. The next prime is 747037. The reversal of 746991 is 199647.

It is not a de Polignac number, because 746991 - 2¹ = 746989 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 746991.

It is not an unprimeable number, because it can be changed into a prime (746951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4390 + ... + 4556.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2⁷⁴⁶⁹⁹¹ is an apocalyptic number.

746991 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

746991 is a deficient number, since it is larger than the sum of its proper divisors (510993).

746991 is a wasteful number, since it uses less digits than its factorization.

746991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 248 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 746991 is about 864.2864108616. The cubic root of 746991 is about 90.7343619891.

The spelling of 746991 in words is "seven hundred forty-six thousand, nine hundred ninety-one".