90722003 has 4 divisors (see below), whose sum is σ = 90749568. Its totient is φ = 90694440.

The previous prime is 90721993. The next prime is 90722011. The reversal of 90722003 is 30022709.

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 90722003 - 2⁴ = 90721987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90722003.

It is not an unprimeable number, because it can be changed into a prime (90722083) 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, 8051 + ... + 15692.

It is an arithmetic number, because the mean of its divisors is an integer number (22687392).

Almost surely, 2^90722003 is an apocalyptic number.

90722003 is a deficient number, since it is larger than the sum of its proper divisors (27565).

90722003 is a wasteful number, since it uses less digits than its factorization.

90722003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27564.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 90722003 is about 9524.8098668687. The cubic root of 90722003 is about 449.3356501337.

The spelling of 90722003 in words is "ninety million, seven hundred twenty-two thousand, three".