90753874 has 4 divisors (see below), whose sum is σ = 136130814. Its totient is φ = 45376936.

The previous prime is 90753809. The next prime is 90753877. The reversal of 90753874 is 47835709.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47835709 = 37 ⋅1292857.

It can be written as a sum of positive squares in only one way, i.e., 58752225 + 32001649 = 7665^2 + 5657^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90753874.

It is not an unprimeable number, because it can be changed into a prime (90753877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22688467 + ... + 22688470.

Almost surely, 2^90753874 is an apocalyptic number.

90753874 is a deficient number, since it is larger than the sum of its proper divisors (45376940).

90753874 is a wasteful number, since it uses less digits than its factorization.

90753874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45376939.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 90753874 is about 9526.4827717264. The cubic root of 90753874 is about 449.3882617728.

The spelling of 90753874 in words is "ninety million, seven hundred fifty-three thousand, eight hundred seventy-four".