90701654 has 4 divisors (see below), whose sum is σ = 136052484. Its totient is φ = 45350826.

The previous prime is 90701641. The next prime is 90701657. The reversal of 90701654 is 45610709.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 90701654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90701657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22675412 + ... + 22675415.

It is an arithmetic number, because the mean of its divisors is an integer number (34013121).

Almost surely, 2^90701654 is an apocalyptic number.

90701654 is a deficient number, since it is larger than the sum of its proper divisors (45350830).

90701654 is a wasteful number, since it uses less digits than its factorization.

90701654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45350829.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 90701654 is about 9523.7415966625. The cubic root of 90701654 is about 449.3020522024.

The spelling of 90701654 in words is "ninety million, seven hundred one thousand, six hundred fifty-four".