749973970 has 8 divisors (see below), whose sum is σ = 1349953164. Its totient is φ = 299989584.

The previous prime is 749973953. The next prime is 749973977. The reversal of 749973970 is 79379947.

It can be written as a sum of positive squares in 2 ways, for example, as 718400809 + 31573161 = 26803^2 + 5619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (749973977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37498689 + ... + 37498708.

Almost surely, 2^749973970 is an apocalyptic number.

749973970 is a deficient number, since it is larger than the sum of its proper divisors (599979194).

749973970 is a wasteful number, since it uses less digits than its factorization.

749973970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74997404.

The product of its (nonzero) digits is 3000564, while the sum is 55.

The square root of 749973970 is about 27385.6526305290. The cubic root of 749973970 is about 908.5497852613.

The spelling of 749973970 in words is "seven hundred forty-nine million, nine hundred seventy-three thousand, nine hundred seventy".