747962643 has 4 divisors (see below), whose sum is σ = 997283528. Its totient is φ = 498641760.

The previous prime is 747962629. The next prime is 747962711. The reversal of 747962643 is 346269747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346269747 = 3 ⋅115423249.

It is not a de Polignac number, because 747962643 - 2¹³ = 747954451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 747962592 and 747962601.

It is not an unprimeable number, because it can be changed into a prime (747962603) 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, 124660438 + ... + 124660443.

It is an arithmetic number, because the mean of its divisors is an integer number (249320882).

Almost surely, 2^747962643 is an apocalyptic number.

747962643 is a deficient number, since it is larger than the sum of its proper divisors (249320885).

747962643 is a wasteful number, since it uses less digits than its factorization.

747962643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249320884.

The product of its digits is 1524096, while the sum is 48.

The square root of 747962643 is about 27348.9057002287. The cubic root of 747962643 is about 907.7368562670.

The spelling of 747962643 in words is "seven hundred forty-seven million, nine hundred sixty-two thousand, six hundred forty-three".