746808090 has 128 divisors (see below), whose sum is σ = 2111864832. Its totient is φ = 165473280.

The previous prime is 746808089. The next prime is 746808103. The reversal of 746808090 is 90808647.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1724514 + ... + 1724946.

It is an arithmetic number, because the mean of its divisors is an integer number (16498944).

Almost surely, 2^746808090 is an apocalyptic number.

746808090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 746808090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055932416).

746808090 is an abundant number, since it is smaller than the sum of its proper divisors (1365056742).

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

746808090 is a wasteful number, since it uses less digits than its factorization.

746808090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 746808090 is about 27327.7897020597. The cubic root of 746808090 is about 907.2695557367.

The spelling of 746808090 in words is "seven hundred forty-six million, eight hundred eight thousand, ninety".