91070254 has 8 divisors (see below), whose sum is σ = 149024088. Its totient is φ = 41395560.

The previous prime is 91070251. The next prime is 91070257. The reversal of 91070254 is 45207019.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91070251) and next prime (91070257).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91070251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069757 + ... + 2069800.

It is an arithmetic number, because the mean of its divisors is an integer number (18628011).

Almost surely, 2^91070254 is an apocalyptic number.

91070254 is a deficient number, since it is larger than the sum of its proper divisors (57953834).

91070254 is a wasteful number, since it uses less digits than its factorization.

91070254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139570.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 91070254 is about 9543.0736138835. The cubic root of 91070254 is about 449.9098650748.

The spelling of 91070254 in words is "ninety-one million, seventy thousand, two hundred fifty-four".