34728783 has 4 divisors (see below), whose sum is σ = 46305048. Its totient is φ = 23152520.

The previous prime is 34728767. The next prime is 34728787. The reversal of 34728783 is 38782743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34728783 - 2⁴ = 34728767 is a prime.

It is a super-2 number, since 2×34728783² = 2412176737322178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34728787) 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, 5788128 + ... + 5788133.

It is an arithmetic number, because the mean of its divisors is an integer number (11576262).

Almost surely, 2^34728783 is an apocalyptic number.

34728783 is a deficient number, since it is larger than the sum of its proper divisors (11576265).

34728783 is a wasteful number, since it uses less digits than its factorization.

34728783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576264.

The product of its digits is 225792, while the sum is 42.

The square root of 34728783 is about 5893.1131840480. The cubic root of 34728783 is about 326.2595164647.

It can be divided in two parts, 34728 and 783, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 34728783 in words is "thirty-four million, seven hundred twenty-eight thousand, seven hundred eighty-three".