749674226 has 12 divisors (see below), whose sum is σ = 1308105198. Its totient is φ = 321288912.

The previous prime is 749674223. The next prime is 749674231. The reversal of 749674226 is 622476947.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 654592225 + 95082001 = 25585^2 + 9751^2 .

It is a super-2 number, since 2×749674226² = 1124022890257398152, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (749674223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3824771 + ... + 3824966.

Almost surely, 2^749674226 is an apocalyptic number.

749674226 is a deficient number, since it is larger than the sum of its proper divisors (558430972).

749674226 is a wasteful number, since it uses less digits than its factorization.

749674226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649753 (or 7649746 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 749674226 is about 27380.1794369577. The cubic root of 749674226 is about 908.4287283327.

The spelling of 749674226 in words is "seven hundred forty-nine million, six hundred seventy-four thousand, two hundred twenty-six".