746580377 has 4 divisors (see below), whose sum is σ = 746868276. Its totient is φ = 746292480.

The previous prime is 746580371. The next prime is 746580389. The reversal of 746580377 is 773085647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773085647 = 12653 ⋅61099.

It can be written as a sum of positive squares in 2 ways, for example, as 395055376 + 351525001 = 19876^2 + 18749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746580377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746580371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140024 + ... + 145257.

It is an arithmetic number, because the mean of its divisors is an integer number (186717069).

Almost surely, 2^746580377 is an apocalyptic number.

It is an amenable number.

746580377 is a deficient number, since it is larger than the sum of its proper divisors (287899).

746580377 is a wasteful number, since it uses less digits than its factorization.

746580377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287898.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 746580377 is about 27323.6230577133. The cubic root of 746580377 is about 907.1773329926.

The spelling of 746580377 in words is "seven hundred forty-six million, five hundred eighty thousand, three hundred seventy-seven".