90706370 has 8 divisors (see below), whose sum is σ = 163271484. Its totient is φ = 36282544.

The previous prime is 90706337. The next prime is 90706379. The reversal of 90706370 is 7360709.

It can be written as a sum of positive squares in 2 ways, for example, as 84511249 + 6195121 = 9193^2 + 2489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90706379) 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, 4535309 + ... + 4535328.

Almost surely, 2^90706370 is an apocalyptic number.

90706370 is a deficient number, since it is larger than the sum of its proper divisors (72565114).

90706370 is a wasteful number, since it uses less digits than its factorization.

90706370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070644.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 90706370 is about 9523.9891852102. The cubic root of 90706370 is about 449.3098391672.

The spelling of 90706370 in words is "ninety million, seven hundred six thousand, three hundred seventy".