743472407 has 4 divisors (see below), whose sum is σ = 787206096. Its totient is φ = 699738720.

The previous prime is 743472403. The next prime is 743472409. The reversal of 743472407 is 704274347.

It is a happy number.

743472407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 743472407 - 2² = 743472403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743472403) 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, 21866819 + ... + 21866852.

It is an arithmetic number, because the mean of its divisors is an integer number (196801524).

Almost surely, 2^743472407 is an apocalyptic number.

743472407 is a deficient number, since it is larger than the sum of its proper divisors (43733689).

743472407 is a wasteful number, since it uses less digits than its factorization.

743472407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43733688.

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 743472407 is about 27266.6904299000. The cubic root of 743472407 is about 905.9167402335.

The spelling of 743472407 in words is "seven hundred forty-three million, four hundred seventy-two thousand, four hundred seven".