749992770 has 48 divisors (see below), whose sum is σ = 2022209280. Its totient is φ = 199997424.

The previous prime is 749992697. The next prime is 749992777. The reversal of 749992770 is 77299947.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (749992777) 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 in 23 ways as a sum of consecutive naturals, for example, 151890 + ... + 156749.

It is an arithmetic number, because the mean of its divisors is an integer number (42129360).

Almost surely, 2^749992770 is an apocalyptic number.

749992770 is an abundant number, since it is smaller than the sum of its proper divisors (1272216510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749992770 is a wasteful number, since it uses less digits than its factorization.

749992770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308661 (or 308649 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The square root of 749992770 is about 27385.9958738038. The cubic root of 749992770 is about 908.5573768996.

The spelling of 749992770 in words is "seven hundred forty-nine million, nine hundred ninety-two thousand, seven hundred seventy".