90754321 has 24 divisors (see below), whose sum is σ = 108936576. Its totient is φ = 75348000.

The previous prime is 90754291. The next prime is 90754357. The reversal of 90754321 is 12345709.

It is not a de Polignac number, because 90754321 - 2⁷ = 90754193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90754121) 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, 361446 + ... + 361696.

It is an arithmetic number, because the mean of its divisors is an integer number (4539024).

Almost surely, 2^90754321 is an apocalyptic number.

It is an amenable number.

90754321 is a deficient number, since it is larger than the sum of its proper divisors (18182255).

90754321 is a wasteful number, since it uses less digits than its factorization.

90754321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 90754321 is about 9526.5062326122. The cubic root of 90754321 is about 449.3889995787.

The spelling of 90754321 in words is "ninety million, seven hundred fifty-four thousand, three hundred twenty-one".