746223981 has 4 divisors (see below), whose sum is σ = 994965312. Its totient is φ = 497482652.

The previous prime is 746223977. The next prime is 746224001. The reversal of 746223981 is 189322647.

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.

It is a cyclic number.

It is not a de Polignac number, because 746223981 - 2² = 746223977 is a prime.

It is a super-2 number, since 2×746223981² = 1113700459638976722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746225981) 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, 124370661 + ... + 124370666.

It is an arithmetic number, because the mean of its divisors is an integer number (248741328).

Almost surely, 2^746223981 is an apocalyptic number.

It is an amenable number.

746223981 is a deficient number, since it is larger than the sum of its proper divisors (248741331).

746223981 is a wasteful number, since it uses less digits than its factorization.

746223981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248741330.

The product of its digits is 145152, while the sum is 42.

The square root of 746223981 is about 27317.1005232986. The cubic root of 746223981 is about 907.0329565605.

The spelling of 746223981 in words is "seven hundred forty-six million, two hundred twenty-three thousand, nine hundred eighty-one".