746331840 has 112 divisors (see below), whose sum is σ = 2632923360. Its totient is φ = 199019520.

The previous prime is 746331823. The next prime is 746331857. The reversal of 746331840 is 48133647.

746331840 is a `hidden beast` number, since 7 + 4 + 633 + 18 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (746331823) and next prime (746331857).

It is a super-2 number, since 2×746331840² = 1114022430795571200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 746331795 and 746331804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34551 + ... + 51830.

Almost surely, 2^746331840 is an apocalyptic number.

It is an amenable number.

746331840 is an abundant number, since it is smaller than the sum of its proper divisors (1886591520).

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

746331840 is a wasteful number, since it uses less digits than its factorization.

746331840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86407 (or 86391 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 746331840 is about 27319.0746549000. The cubic root of 746331840 is about 907.0766552162.

The spelling of 746331840 in words is "seven hundred forty-six million, three hundred thirty-one thousand, eight hundred forty".