743476747 has 4 divisors (see below), whose sum is σ = 800667280. Its totient is φ = 686286216.

The previous prime is 743476729. The next prime is 743476753. The reversal of 743476747 is 747674347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747674347 = 7 ⋅106810621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743476747 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 743476747.

It is not an unprimeable number, because it can be changed into a prime (743476757) 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, 28595247 + ... + 28595272.

It is an arithmetic number, because the mean of its divisors is an integer number (200166820).

Almost surely, 2^743476747 is an apocalyptic number.

743476747 is a deficient number, since it is larger than the sum of its proper divisors (57190533).

743476747 is a wasteful number, since it uses less digits than its factorization.

743476747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57190532.

The product of its digits is 2765952, while the sum is 49.

The square root of 743476747 is about 27266.7700140666. The cubic root of 743476747 is about 905.9185029849.

The spelling of 743476747 in words is "seven hundred forty-three million, four hundred seventy-six thousand, seven hundred forty-seven".