746666737 has 8 divisors (see below), whose sum is σ = 750435840. Its totient is φ = 742906080.

The previous prime is 746666689. The next prime is 746666747. The reversal of 746666737 is 737666647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 746666737 - 2¹⁵ = 746633969 is a prime.

It is a super-2 number, since 2×746666737² = 1115022432284454338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746666747) 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, 240964 + ... + 244042.

It is an arithmetic number, because the mean of its divisors is an integer number (93804480).

Almost surely, 2^746666737 is an apocalyptic number.

It is an amenable number.

746666737 is a deficient number, since it is larger than the sum of its proper divisors (3769103).

746666737 is a wasteful number, since it uses less digits than its factorization.

746666737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223.

The product of its digits is 5334336, while the sum is 52.

The square root of 746666737 is about 27325.2033295271. The cubic root of 746666737 is about 907.2123106125.

The spelling of 746666737 in words is "seven hundred forty-six million, six hundred sixty-six thousand, seven hundred thirty-seven".