746871678 has 144 divisors (see below), whose sum is σ = 1982897280. Its totient is φ = 206336160.

The previous prime is 746871667. The next prime is 746871721. The reversal of 746871678 is 876178647.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12243768 + ... + 12243828.

It is an arithmetic number, because the mean of its divisors is an integer number (13770120).

Almost surely, 2^746871678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 746871678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991448640).

746871678 is an abundant number, since it is smaller than the sum of its proper divisors (1236025602).

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

746871678 is an equidigital number, since it uses as much as digits as its factorization.

746871678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 132 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 746871678 is about 27328.9531083794. The cubic root of 746871678 is about 907.2953052432.

The spelling of 746871678 in words is "seven hundred forty-six million, eight hundred seventy-one thousand, six hundred seventy-eight".