90720035 has 16 divisors (see below), whose sum is σ = 124836096. Its totient is φ = 61998048.

The previous prime is 90720029. The next prime is 90720059. The reversal of 90720035 is 53002709.

It is not a de Polignac number, because 90720035 - 2⁸ = 90719779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90719986 and 90720013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6524 + ... + 14966.

It is an arithmetic number, because the mean of its divisors is an integer number (7802256).

Almost surely, 2^90720035 is an apocalyptic number.

90720035 is a deficient number, since it is larger than the sum of its proper divisors (34116061).

90720035 is a wasteful number, since it uses less digits than its factorization.

90720035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 90720035 is about 9524.7065571596. The cubic root of 90720035 is about 449.3324010176.

The spelling of 90720035 in words is "ninety million, seven hundred twenty thousand, thirty-five".