749799997946 has 4 divisors (see below), whose sum is σ = 1124699996922. Its totient is φ = 374899998972.

The previous prime is 749799997897. The next prime is 749799997997. The reversal of 749799997946 is 649799997947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 738267600625 + 11532397321 = 859225^2 + 107389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187449999485 + ... + 187449999488.

Almost surely, 2^749799997946 is an apocalyptic number.

749799997946 is a deficient number, since it is larger than the sum of its proper divisors (374899998976).

749799997946 is a wasteful number, since it uses less digits than its factorization.

749799997946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374899998975.

The product of its digits is 17499289248, while the sum is 89.

Subtracting from 749799997946 its reverse (649799997947), we obtain a palindrome (99999999999).

The spelling of 749799997946 in words is "seven hundred forty-nine billion, seven hundred ninety-nine million, nine hundred ninety-seven thousand, nine hundred forty-six".