743474377 has 4 divisors (see below), whose sum is σ = 746721220. Its totient is φ = 740227536.

The previous prime is 743474357. The next prime is 743474401. The reversal of 743474377 is 773474347.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 493328521 + 250145856 = 22211^2 + 15816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743474377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743474357) by changing a digit.

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, 1623078 + ... + 1623535.

It is an arithmetic number, because the mean of its divisors is an integer number (186680305).

Almost surely, 2^743474377 is an apocalyptic number.

It is an amenable number.

743474377 is a deficient number, since it is larger than the sum of its proper divisors (3246843).

743474377 is a wasteful number, since it uses less digits than its factorization.

743474377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246842.

The product of its digits is 1382976, while the sum is 46.

The square root of 743474377 is about 27266.7265545390. The cubic root of 743474377 is about 905.9175403772.

The spelling of 743474377 in words is "seven hundred forty-three million, four hundred seventy-four thousand, three hundred seventy-seven".