737372161 has 4 divisors (see below), whose sum is σ = 780747012. Its totient is φ = 693997312.

The previous prime is 737372113. The next prime is 737372173. The reversal of 737372161 is 161273737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161273737 = 167 ⋅965711.

It can be written as a sum of positive squares in 2 ways, for example, as 378497025 + 358875136 = 19455^2 + 18944^2 .

It is a cyclic number.

It is not a de Polignac number, because 737372161 - 2¹¹ = 737370113 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 737372161.

It is not an unprimeable number, because it can be changed into a prime (737372261) 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, 21687400 + ... + 21687433.

It is an arithmetic number, because the mean of its divisors is an integer number (195186753).

Almost surely, 2^737372161 is an apocalyptic number.

It is an amenable number.

737372161 is a deficient number, since it is larger than the sum of its proper divisors (43374851).

737372161 is a wasteful number, since it uses less digits than its factorization.

737372161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43374850.

The product of its digits is 37044, while the sum is 37.

The square root of 737372161 is about 27154.5974192217. The cubic root of 737372161 is about 903.4322280071.

The spelling of 737372161 in words is "seven hundred thirty-seven million, three hundred seventy-two thousand, one hundred sixty-one".