734634397 has 4 divisors (see below), whose sum is σ = 839582176. Its totient is φ = 629686620.

The previous prime is 734634389. The next prime is 734634401. The reversal of 734634397 is 793436437.

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 734634397 - 2³ = 734634389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734634337) 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, 52473879 + ... + 52473892.

It is an arithmetic number, because the mean of its divisors is an integer number (209895544).

Almost surely, 2^734634397 is an apocalyptic number.

It is an amenable number.

734634397 is a deficient number, since it is larger than the sum of its proper divisors (104947779).

734634397 is a wasteful number, since it uses less digits than its factorization.

734634397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104947778.

The product of its digits is 1143072, while the sum is 46.

The square root of 734634397 is about 27104.1398498458. The cubic root of 734634397 is about 902.3127337608.

The spelling of 734634397 in words is "seven hundred thirty-four million, six hundred thirty-four thousand, three hundred ninety-seven".