1397003073 has 8 divisors (see below), whose sum is σ = 1874098848. Its totient is φ = 925621344.

The previous prime is 1397003059. The next prime is 1397003087. The reversal of 1397003073 is 3703007931.

It is an interprime number because it is at equal distance from previous prime (1397003059) and next prime (1397003087).

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

It is not a de Polignac number, because 1397003073 - 2²¹ = 1394905921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1397003053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1427940 + ... + 1428917.

It is an arithmetic number, because the mean of its divisors is an integer number (234262356).

Almost surely, 2^1397003073 is an apocalyptic number.

It is an amenable number.

1397003073 is a deficient number, since it is larger than the sum of its proper divisors (477095775).

1397003073 is a wasteful number, since it uses less digits than its factorization.

1397003073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857023.

The product of its (nonzero) digits is 11907, while the sum is 33.

The square root of 1397003073 is about 37376.5042907974. The cubic root of 1397003073 is about 1117.8901267894.

The spelling of 1397003073 in words is "one billion, three hundred ninety-seven million, three thousand, seventy-three".