1000737073 has 4 divisors (see below), whose sum is σ = 1143699520. Its totient is φ = 857774628.

The previous prime is 1000737053. The next prime is 1000737083. The reversal of 1000737073 is 3707370001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000737073 - 2²⁵ = 967182641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000737053) 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, 71481213 + ... + 71481226.

It is an arithmetic number, because the mean of its divisors is an integer number (285924880).

Almost surely, 2^1000737073 is an apocalyptic number.

It is an amenable number.

1000737073 is a deficient number, since it is larger than the sum of its proper divisors (142962447).

1000737073 is an equidigital number, since it uses as much as digits as its factorization.

1000737073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142962446.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 1000737073 is about 31634.4286023946. The cubic root of 1000737073 is about 1000.2456306606.

The spelling of 1000737073 in words is "one billion, seven hundred thirty-seven thousand, seventy-three".