747769970 has 8 divisors (see below), whose sum is σ = 1345985964. Its totient is φ = 299107984.

The previous prime is 747769961. The next prime is 747769987. The reversal of 747769970 is 79967747.

It can be written as a sum of positive squares in 2 ways, for example, as 747639649 + 130321 = 27343^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37388489 + ... + 37388508.

Almost surely, 2^747769970 is an apocalyptic number.

747769970 is a deficient number, since it is larger than the sum of its proper divisors (598215994).

747769970 is a wasteful number, since it uses less digits than its factorization.

747769970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74777004.

The product of its (nonzero) digits is 4667544, while the sum is 56.

The square root of 747769970 is about 27345.3829740964. The cubic root of 747769970 is about 907.6589061159.

The spelling of 747769970 in words is "seven hundred forty-seven million, seven hundred sixty-nine thousand, nine hundred seventy".