743251441 has 8 divisors (see below), whose sum is σ = 792718920. Its totient is φ = 694422528.

The previous prime is 743251433. The next prime is 743251447. The reversal of 743251441 is 144152347.

It can be written as a sum of positive squares in 4 ways, for example, as 70627216 + 672624225 = 8404^2 + 25935^2 .

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

It is not a de Polignac number, because 743251441 - 2³ = 743251433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743251447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157236 + ... + 161893.

It is an arithmetic number, because the mean of its divisors is an integer number (99089865).

Almost surely, 2^743251441 is an apocalyptic number.

It is an amenable number.

743251441 is a deficient number, since it is larger than the sum of its proper divisors (49467479).

743251441 is a wasteful number, since it uses less digits than its factorization.

743251441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319283.

The product of its digits is 13440, while the sum is 31.

The square root of 743251441 is about 27262.6381885539. The cubic root of 743251441 is about 905.8269827517.

The spelling of 743251441 in words is "seven hundred forty-three million, two hundred fifty-one thousand, four hundred forty-one".