746856240 has 160 divisors (see below), whose sum is σ = 2640206016. Its totient is φ = 173015040.

The previous prime is 746856239. The next prime is 746856241. The reversal of 746856240 is 42658647.

It is an interprime number because it is at equal distance from previous prime (746856239) and next prime (746856241).

It is a super-3 number, since 3×746856240³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 746856192 and 746856201.

It is not an unprimeable number, because it can be changed into a prime (746856241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46000 + ... + 60080.

Almost surely, 2^746856240 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 746856240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1320103008).

746856240 is an abundant number, since it is smaller than the sum of its proper divisors (1893349776).

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

746856240 is a wasteful number, since it uses less digits than its factorization.

746856240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127 (or 14121 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 746856240 is about 27328.6706592179. The cubic root of 746856240 is about 907.2890538697.

The spelling of 746856240 in words is "seven hundred forty-six million, eight hundred fifty-six thousand, two hundred forty".