745479656 has 8 divisors (see below), whose sum is σ = 1397774370. Its totient is φ = 372739824.

The previous prime is 745479653. The next prime is 745479659. The reversal of 745479656 is 656974547.

It is an interprime number because it is at equal distance from previous prime (745479653) and next prime (745479659).

It can be written as a sum of positive squares in only one way, i.e., 743434756 + 2044900 = 27266^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 745479598 and 745479607.

It is not an unprimeable number, because it can be changed into a prime (745479653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46592471 + ... + 46592486.

Almost surely, 2^745479656 is an apocalyptic number.

It is an amenable number.

745479656 is a deficient number, since it is larger than the sum of its proper divisors (652294714).

745479656 is a wasteful number, since it uses less digits than its factorization.

745479656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93184963 (or 93184959 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The square root of 745479656 is about 27303.4733321605. The cubic root of 745479656 is about 906.7312813187.

The spelling of 745479656 in words is "seven hundred forty-five million, four hundred seventy-nine thousand, six hundred fifty-six".