89742974 has 8 divisors (see below), whose sum is σ = 134662008. Its totient is φ = 44855640.

The previous prime is 89742971. The next prime is 89743001. The reversal of 89742974 is 47924798.

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 (89742971) 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, 1304 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (16832751).

Almost surely, 2^89742974 is an apocalyptic number.

89742974 is a deficient number, since it is larger than the sum of its proper divisors (44919034).

89742974 is a wasteful number, since it uses less digits than its factorization.

89742974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15850.

The product of its digits is 1016064, while the sum is 50.

The square root of 89742974 is about 9473.2768353933. The cubic root of 89742974 is about 447.7134614079.

The spelling of 89742974 in words is "eighty-nine million, seven hundred forty-two thousand, nine hundred seventy-four".