746587661 has 8 divisors (see below), whose sum is σ = 753761280. Its totient is φ = 739434528.

The previous prime is 746587651. The next prime is 746587669. The reversal of 746587661 is 166785647.

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 746587661 - 2¹⁴ = 746571277 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 (746587669) 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, 73865 + ... + 83361.

It is an arithmetic number, because the mean of its divisors is an integer number (94220160).

Almost surely, 2^746587661 is an apocalyptic number.

It is an amenable number.

746587661 is a deficient number, since it is larger than the sum of its proper divisors (7173619).

746587661 is a wasteful number, since it uses less digits than its factorization.

746587661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243.

The product of its digits is 1693440, while the sum is 50.

The square root of 746587661 is about 27323.7563486428. The cubic root of 746587661 is about 907.1802832703.

The spelling of 746587661 in words is "seven hundred forty-six million, five hundred eighty-seven thousand, six hundred sixty-one".