746988057 has 6 divisors (see below), whose sum is σ = 1078982762. Its totient is φ = 497992032.

The previous prime is 746988029. The next prime is 746988071. The reversal of 746988057 is 750889647.

It can be written as a sum of positive squares in only one way, i.e., 743162121 + 3825936 = 27261^2 + 1956^2 .

It is a de Polignac number, because none of the positive numbers 2^k-746988057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 746987994 and 746988012.

It is not an unprimeable number, because it can be changed into a prime (746986057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41499328 + ... + 41499345.

Almost surely, 2^746988057 is an apocalyptic number.

It is an amenable number.

746988057 is a deficient number, since it is larger than the sum of its proper divisors (331994705).

746988057 is a wasteful number, since it uses less digits than its factorization.

746988057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82998679 (or 82998676 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 746988057 is about 27331.0822508001. The cubic root of 746988057 is about 907.3424283030.

The spelling of 746988057 in words is "seven hundred forty-six million, nine hundred eighty-eight thousand, fifty-seven".