18970375 has 16 divisors (see below), whose sum is σ = 24186240. Its totient is φ = 14848800.

The previous prime is 18970361. The next prime is 18970411. The reversal of 18970375 is 57307981.

It is a de Polignac number, because none of the positive numbers 2^k-18970375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4261 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (1511640).

Almost surely, 2^18970375 is an apocalyptic number.

18970375 is a deficient number, since it is larger than the sum of its proper divisors (5215865).

18970375 is an equidigital number, since it uses as much as digits as its factorization.

18970375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 18970375 is about 4355.4993973137. The cubic root of 18970375 is about 266.7014060645.

The spelling of 18970375 in words is "eighteen million, nine hundred seventy thousand, three hundred seventy-five".