93723997 has 4 divisors (see below), whose sum is σ = 96257116. Its totient is φ = 91190880.

The previous prime is 93723983. The next prime is 93724013. The reversal of 93723997 is 79932739.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79932739 = 41 ⋅1949579.

It can be written as a sum of positive squares in 2 ways, for example, as 87403801 + 6320196 = 9349^2 + 2514^2 .

It is a cyclic number.

It is not a de Polignac number, because 93723997 - 2⁷ = 93723869 is a prime.

It is a super-2 number, since 2×93723997² = 17568375227312018, which contains 22 as substring.

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 93723997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93723937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266504 + ... + 1266577.

It is an arithmetic number, because the mean of its divisors is an integer number (24064279).

Almost surely, 2^93723997 is an apocalyptic number.

It is an amenable number.

93723997 is a deficient number, since it is larger than the sum of its proper divisors (2533119).

93723997 is a wasteful number, since it uses less digits than its factorization.

93723997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533118.

The product of its digits is 642978, while the sum is 49.

The square root of 93723997 is about 9681.1154832488. The cubic root of 93723997 is about 454.2381438027.

The spelling of 93723997 in words is "ninety-three million, seven hundred twenty-three thousand, nine hundred ninety-seven".