90704007 has 24 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 59364240.

The previous prime is 90703981. The next prime is 90704051. The reversal of 90704007 is 70040709.

It is not a de Polignac number, because 90704007 - 2¹² = 90699911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90704077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125794 + ... + 126512.

It is an arithmetic number, because the mean of its divisors is an integer number (5559840).

Almost surely, 2^90704007 is an apocalyptic number.

90704007 is a deficient number, since it is larger than the sum of its proper divisors (42732153).

90704007 is a wasteful number, since it uses less digits than its factorization.

90704007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 90704007 is about 9523.8651292424. The cubic root of 90704007 is about 449.3059374626.

The spelling of 90704007 in words is "ninety million, seven hundred four thousand, seven".