746985997 has 4 divisors (see below), whose sum is σ = 747058720. Its totient is φ = 746913276.

The previous prime is 746985991. The next prime is 746986027. The reversal of 746985997 is 799589647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746985997 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 (746985991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17793 + ... + 42550.

It is an arithmetic number, because the mean of its divisors is an integer number (186764680).

Almost surely, 2^746985997 is an apocalyptic number.

It is an amenable number.

746985997 is a deficient number, since it is larger than the sum of its proper divisors (72723).

746985997 is a wasteful number, since it uses less digits than its factorization.

746985997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72722.

The product of its digits is 34292160, while the sum is 64.

The square root of 746985997 is about 27331.0445647436. The cubic root of 746985997 is about 907.3415942303.

The spelling of 746985997 in words is "seven hundred forty-six million, nine hundred eighty-five thousand, nine hundred ninety-seven".