749770407 has 12 divisors (see below), whose sum is σ = 1101358440. Its totient is φ = 491374608.

The previous prime is 749770387. The next prime is 749770421. The reversal of 749770407 is 704077947.

749770407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 749770407 - 2²⁶ = 682661543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749770487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705468 + ... + 706529.

It is an arithmetic number, because the mean of its divisors is an integer number (91779870).

Almost surely, 2^749770407 is an apocalyptic number.

749770407 is a deficient number, since it is larger than the sum of its proper divisors (351588033).

749770407 is a wasteful number, since it uses less digits than its factorization.

749770407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412062 (or 1412059 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 749770407 is about 27381.9357789036. The cubic root of 749770407 is about 908.4675762501.

The spelling of 749770407 in words is "seven hundred forty-nine million, seven hundred seventy thousand, four hundred seven".