746891280 has 200 divisors, whose sum is σ = 2628700800. Its totient is φ = 196515072.

The previous prime is 746891227. The next prime is 746891291. The reversal of 746891280 is 82198647.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 511191 + ... + 512649.

It is an arithmetic number, because the mean of its divisors is an integer number (13143504).

Almost surely, 2^746891280 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 746891280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1314350400).

746891280 is an abundant number, since it is smaller than the sum of its proper divisors (1881809520).

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

746891280 is a wasteful number, since it uses less digits than its factorization.

746891280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 746891280 is about 27329.3117366684. The cubic root of 746891280 is about 907.3032426383.

The spelling of 746891280 in words is "seven hundred forty-six million, eight hundred ninety-one thousand, two hundred eighty".