746563840 has 144 divisors (see below), whose sum is σ = 2066238720. Its totient is φ = 255426560.

The previous prime is 746563819. The next prime is 746563841. The reversal of 746563840 is 48365647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746563841) 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, 237801 + ... + 240919.

It is an arithmetic number, because the mean of its divisors is an integer number (14348880).

Almost surely, 2^746563840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 746563840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033119360).

746563840 is an abundant number, since it is smaller than the sum of its proper divisors (1319674880).

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

746563840 is a wasteful number, since it uses less digits than its factorization.

746563840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168 (or 3154 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 746563840 is about 27323.3204424352. The cubic root of 746563840 is about 907.1706348514.

The spelling of 746563840 in words is "seven hundred forty-six million, five hundred sixty-three thousand, eight hundred forty".