749464947 has 80 divisors (see below), whose sum is σ = 1414392960. Its totient is φ = 388962000.

The previous prime is 749464943. The next prime is 749464949.

749464947 is a `hidden beast` number, since 7 + 494 + 64 + 94 + 7 = 666.

749464947 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 749464947 - 2² = 749464943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 749464893 and 749464902.

It is not an unprimeable number, because it can be changed into a prime (749464943) 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 79 ways as a sum of consecutive naturals, for example, 712572 + ... + 713622.

It is an arithmetic number, because the mean of its divisors is an integer number (17679912).

Almost surely, 2^749464947 is an apocalyptic number.

749464947 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

749464947 is a deficient number, since it is larger than the sum of its proper divisors (664928013).

749464947 is a wasteful number, since it uses less digits than its factorization.

749464947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1072 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 749464947 is about 27376.3574457962. The cubic root of 749464947 is about 908.3441881672.

The spelling of 749464947 in words is "seven hundred forty-nine million, four hundred sixty-four thousand, nine hundred forty-seven".