741891906 has 64 divisors (see below), whose sum is σ = 1887816960. Its totient is φ = 211559040.

The previous prime is 741891893. The next prime is 741891929. The reversal of 741891906 is 609198147.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231636 + ... + 234816.

It is an arithmetic number, because the mean of its divisors is an integer number (29497140).

Almost surely, 2^741891906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 741891906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943908480).

741891906 is an abundant number, since it is smaller than the sum of its proper divisors (1145925054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

741891906 is a wasteful number, since it uses less digits than its factorization.

741891906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816 (or 3810 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 741891906 is about 27237.6927436962. The cubic root of 741891906 is about 905.2743410926.

The spelling of 741891906 in words is "seven hundred forty-one million, eight hundred ninety-one thousand, nine hundred six".