746444891 has 16 divisors (see below), whose sum is σ = 824904000. Its totient is φ = 672258048.

The previous prime is 746444879. The next prime is 746444899. The reversal of 746444891 is 198444647.

It is a de Polignac number, because none of the positive numbers 2^k-746444891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746444899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49010 + ... + 62408.

It is an arithmetic number, because the mean of its divisors is an integer number (51556500).

Almost surely, 2^746444891 is an apocalyptic number.

746444891 is a deficient number, since it is larger than the sum of its proper divisors (78459109).

746444891 is a wasteful number, since it uses less digits than its factorization.

746444891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13558.

The product of its digits is 774144, while the sum is 47.

The square root of 746444891 is about 27321.1436620065. The cubic root of 746444891 is about 907.1224528718.

The spelling of 746444891 in words is "seven hundred forty-six million, four hundred forty-four thousand, eight hundred ninety-one".