90724462 has 8 divisors (see below), whose sum is σ = 137434392. Its totient is φ = 44913000.

The previous prime is 90724451. The next prime is 90724463. The reversal of 90724462 is 26442709.

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 (90724463) 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 in 3 ways as a sum of consecutive naturals, for example, 224364 + ... + 224767.

It is an arithmetic number, because the mean of its divisors is an integer number (17179299).

Almost surely, 2^90724462 is an apocalyptic number.

90724462 is a deficient number, since it is larger than the sum of its proper divisors (46709930).

90724462 is a wasteful number, since it uses less digits than its factorization.

90724462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449234.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 90724462 is about 9524.9389499356. The cubic root of 90724462 is about 449.3397098118.

The spelling of 90724462 in words is "ninety million, seven hundred twenty-four thousand, four hundred sixty-two".