90756147 has 8 divisors (see below), whose sum is σ = 121063680. Its totient is φ = 60476360.

The previous prime is 90756131. The next prime is 90756151. The reversal of 90756147 is 74165709.

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

It is a cyclic number.

It is not a de Polignac number, because 90756147 - 2⁴ = 90756131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90756647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554 + ... + 13712.

It is an arithmetic number, because the mean of its divisors is an integer number (15132960).

Almost surely, 2^90756147 is an apocalyptic number.

90756147 is a deficient number, since it is larger than the sum of its proper divisors (30307533).

90756147 is a wasteful number, since it uses less digits than its factorization.

90756147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13873.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 90756147 is about 9526.6020699933. The cubic root of 90756147 is about 449.3920134988.

The spelling of 90756147 in words is "ninety million, seven hundred fifty-six thousand, one hundred forty-seven".