746949646 has 16 divisors (see below), whose sum is σ = 1148742144. Its totient is φ = 364069944.

The previous prime is 746949589. The next prime is 746949649. The reversal of 746949646 is 646949647.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746949649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36675 + ... + 53281.

It is an arithmetic number, because the mean of its divisors is an integer number (71796384).

Almost surely, 2^746949646 is an apocalyptic number.

746949646 is a deficient number, since it is larger than the sum of its proper divisors (401792498).

746949646 is a wasteful number, since it uses less digits than its factorization.

746949646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175.

The product of its digits is 7838208, while the sum is 55.

The square root of 746949646 is about 27330.3795436507. The cubic root of 746949646 is about 907.3268758333.

Subtracting from 746949646 its reverse (646949647), we obtain a palindrome (99999999).

The spelling of 746949646 in words is "seven hundred forty-six million, nine hundred forty-nine thousand, six hundred forty-six".