93724897 has 12 divisors (see below), whose sum is σ = 112788180. Its totient is φ = 77564256.

The previous prime is 93724879. The next prime is 93724901. The reversal of 93724897 is 79842739.

It can be written as a sum of positive squares in 2 ways, for example, as 49688401 + 44036496 = 7049^2 + 6636^2 .

It is not a de Polignac number, because 93724897 - 2²³ = 85336289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93724897.

It is not an unprimeable number, because it can be changed into a prime (93724847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31558 + ... + 34399.

It is an arithmetic number, because the mean of its divisors is an integer number (9399015).

Almost surely, 2^93724897 is an apocalyptic number.

It is an amenable number.

93724897 is a deficient number, since it is larger than the sum of its proper divisors (19063283).

93724897 is a wasteful number, since it uses less digits than its factorization.

93724897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66000 (or 65993 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 93724897 is about 9681.1619653841. The cubic root of 93724897 is about 454.2395977634.

The spelling of 93724897 in words is "ninety-three million, seven hundred twenty-four thousand, eight hundred ninety-seven".