746444647 has 32 divisors (see below), whose sum is σ = 853493760. Its totient is φ = 648180480.

The previous prime is 746444639. The next prime is 746444683.

746444647 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 746444647 - 2³ = 746444639 is a prime.

It is a super-2 number, since 2×746444647² = 1114359222069909218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 746444597 and 746444606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746424647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2079054 + ... + 2079412.

It is an arithmetic number, because the mean of its divisors is an integer number (26671680).

Almost surely, 2^746444647 is an apocalyptic number.

746444647 is a deficient number, since it is larger than the sum of its proper divisors (107049113).

746444647 is a wasteful number, since it uses less digits than its factorization.

746444647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its digits is 1806336, while the sum is 46.

The square root of 746444647 is about 27321.1391966001. The cubic root of 746444647 is about 907.1223540309.

The spelling of 746444647 in words is "seven hundred forty-six million, four hundred forty-four thousand, six hundred forty-seven".