470397137 has 4 divisors (see below), whose sum is σ = 537596736. Its totient is φ = 403197540.

The previous prime is 470397133. The next prime is 470397199. The reversal of 470397137 is 731793074.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 731793074 = 2 ⋅365896537.

It is a cyclic number.

It is not a de Polignac number, because 470397137 - 2² = 470397133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 470397094 and 470397103.

It is not an unprimeable number, because it can be changed into a prime (470397133) 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, 33599789 + ... + 33599802.

It is an arithmetic number, because the mean of its divisors is an integer number (134399184).

Almost surely, 2^470397137 is an apocalyptic number.

It is an amenable number.

470397137 is a deficient number, since it is larger than the sum of its proper divisors (67199599).

470397137 is an equidigital number, since it uses as much as digits as its factorization.

470397137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67199598.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 470397137 is about 21688.6407365699. The cubic root of 470397137 is about 777.7169361879.

The spelling of 470397137 in words is "four hundred seventy million, three hundred ninety-seven thousand, one hundred thirty-seven".