90418763 has 4 divisors (see below), whose sum is σ = 90887448. Its totient is φ = 89950080.

The previous prime is 90418753. The next prime is 90418799. The reversal of 90418763 is 36781409.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90418763 - 2⁴ = 90418747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90418753) 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, 234053 + ... + 234438.

It is an arithmetic number, because the mean of its divisors is an integer number (22721862).

Almost surely, 2^90418763 is an apocalyptic number.

90418763 is a deficient number, since it is larger than the sum of its proper divisors (468685).

90418763 is a wasteful number, since it uses less digits than its factorization.

90418763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468684.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 90418763 is about 9508.8781146884. The cubic root of 90418763 is about 448.8344536803.

The spelling of 90418763 in words is "ninety million, four hundred eighteen thousand, seven hundred sixty-three".