93640745 has 16 divisors (see below), whose sum is σ = 123180480. Its totient is φ = 67771200.

The previous prime is 93640717. The next prime is 93640817. The reversal of 93640745 is 54704639.

It is not a de Polignac number, because 93640745 - 2¹² = 93636649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 93640699 and 93640708.

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, 7571 + ... + 15639.

It is an arithmetic number, because the mean of its divisors is an integer number (7698780).

Almost surely, 2^93640745 is an apocalyptic number.

It is an amenable number.

93640745 is a deficient number, since it is larger than the sum of its proper divisors (29539735).

93640745 is a wasteful number, since it uses less digits than its factorization.

93640745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8296.

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

The square root of 93640745 is about 9676.8148168703. The cubic root of 93640745 is about 454.1036089355.

The spelling of 93640745 in words is "ninety-three million, six hundred forty thousand, seven hundred forty-five".