746775621 has 24 divisors (see below), whose sum is σ = 1110380544. Its totient is φ = 483386400.

The previous prime is 746775581. The next prime is 746775683. The reversal of 746775621 is 126577647.

It is not a de Polignac number, because 746775621 - 2⁷ = 746775493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746775521) 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, 46771 + ... + 60671.

It is an arithmetic number, because the mean of its divisors is an integer number (46265856).

Almost surely, 2^746775621 is an apocalyptic number.

It is an amenable number.

746775621 is a deficient number, since it is larger than the sum of its proper divisors (363604923).

746775621 is a wasteful number, since it uses less digits than its factorization.

746775621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14081 (or 14078 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 746775621 is about 27327.1956299947. The cubic root of 746775621 is about 907.2564070833.

The spelling of 746775621 in words is "seven hundred forty-six million, seven hundred seventy-five thousand, six hundred twenty-one".