3654872734 has 4 divisors (see below), whose sum is σ = 5482309104. Its totient is φ = 1827436366.

The previous prime is 3654872731. The next prime is 3654872743. The reversal of 3654872734 is 4372784563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4372784563 = 7 ⋅624683509.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654872731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913718182 + ... + 913718185.

It is an arithmetic number, because the mean of its divisors is an integer number (1370577276).

Almost surely, 2^3654872734 is an apocalyptic number.

3654872734 is a deficient number, since it is larger than the sum of its proper divisors (1827436370).

3654872734 is a wasteful number, since it uses less digits than its factorization.

3654872734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827436369.

The product of its digits is 3386880, while the sum is 49.

The square root of 3654872734 is about 60455.5434513660. The cubic root of 3654872734 is about 1540.3665757471.

The spelling of 3654872734 in words is "three billion, six hundred fifty-four million, eight hundred seventy-two thousand, seven hundred thirty-four".