1534734 has 32 divisors (see below), whose sum is σ = 3457440. Its totient is φ = 504576.

The previous prime is 1534727. The next prime is 1534739. The reversal of 1534734 is 4374351.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1534698 and 1534707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (108045).

2^1534734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728720).

1534734 is an abundant number, since it is smaller than the sum of its proper divisors (1922706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1534734 is a wasteful number, since it uses less digits than its factorization.

1534734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 1534734 is about 1238.8438158218. The cubic root of 1534734 is about 115.3482574678.

The spelling of 1534734 in words is "one million, five hundred thirty-four thousand, seven hundred thirty-four".