90071054 has 8 divisors (see below), whose sum is σ = 135160488. Its totient is φ = 45017560.

The previous prime is 90071053. The next prime is 90071081. The reversal of 90071054 is 45017009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90071054² = 16225589537341832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90071053) 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, 1457 + ... + 13500.

It is an arithmetic number, because the mean of its divisors is an integer number (16895061).

Almost surely, 2^90071054 is an apocalyptic number.

90071054 is a deficient number, since it is larger than the sum of its proper divisors (45089434).

90071054 is a wasteful number, since it uses less digits than its factorization.

90071054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17970.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 90071054 is about 9490.5771162770. The cubic root of 90071054 is about 448.2583776086.

The spelling of 90071054 in words is "ninety million, seventy-one thousand, fifty-four".