94537640 has 16 divisors (see below), whose sum is σ = 212709780. Its totient is φ = 37815040.

The previous prime is 94537621. The next prime is 94537649. The reversal of 94537640 is 4673549.

It can be written as a sum of positive squares in 2 ways, for example, as 90136036 + 4401604 = 9494^2 + 2098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 94537594 and 94537603.

It is not an unprimeable number, because it can be changed into a prime (94537649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181681 + ... + 1181760.

Almost surely, 2^94537640 is an apocalyptic number.

It is an amenable number.

94537640 is an abundant number, since it is smaller than the sum of its proper divisors (118172140).

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

94537640 is a wasteful number, since it uses less digits than its factorization.

94537640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363452 (or 2363448 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 94537640 is about 9723.0468475679. The cubic root of 94537640 is about 455.5488124677.

The spelling of 94537640 in words is "ninety-four million, five hundred thirty-seven thousand, six hundred forty".