7623901 has 8 divisors (see below), whose sum is σ = 7784504. Its totient is φ = 7464960.

The previous prime is 7623899. The next prime is 7623907. The reversal of 7623901 is 1093267.

It can be written as a sum of positive squares in 4 ways, for example, as 1368900 + 6255001 = 1170^2 + 2501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 6-Lehmer number, since φ(7623901) divides (7623901-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 7623901 - 2¹ = 7623899 is a prime.

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 7623901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7623907) 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 7 ways as a sum of consecutive naturals, for example, 12925 + ... + 13501.

It is an arithmetic number, because the mean of its divisors is an integer number (973063).

Almost surely, 2^7623901 is an apocalyptic number.

It is an amenable number.

7623901 is a deficient number, since it is larger than the sum of its proper divisors (160603).

7623901 is a wasteful number, since it uses less digits than its factorization.

7623901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 7623901 is about 2761.1412495561. The cubic root of 7623901 is about 196.8154025032.

The spelling of 7623901 in words is "seven million, six hundred twenty-three thousand, nine hundred one".