9074640 has 40 divisors (see below), whose sum is σ = 28132128. Its totient is φ = 2419840.

The previous prime is 9074633. The next prime is 9074683. The reversal of 9074640 is 464709.

9074640 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×9074640² = 164698182259200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 9074598 and 9074607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18666 + ... + 19145.

Almost surely, 2^9074640 is an apocalyptic number.

It is an amenable number.

9074640 is an abundant number, since it is smaller than the sum of its proper divisors (19057488).

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

9074640 is a wasteful number, since it uses less digits than its factorization.

9074640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37827 (or 37821 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 9074640 is about 3012.4143141341. The cubic root of 9074640 is about 208.5818275740.

The spelling of 9074640 in words is "nine million, seventy-four thousand, six hundred forty".