611427734 has 4 divisors (see below), whose sum is σ = 917141604. Its totient is φ = 305713866.

The previous prime is 611427731. The next prime is 611427743. The reversal of 611427734 is 437724116.

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

It is a junction number, because it is equal to n+sod(n) for n = 611427694 and 611427703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611427731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152856932 + ... + 152856935.

It is an arithmetic number, because the mean of its divisors is an integer number (229285401).

Almost surely, 2^611427734 is an apocalyptic number.

611427734 is a deficient number, since it is larger than the sum of its proper divisors (305713870).

611427734 is a wasteful number, since it uses less digits than its factorization.

611427734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305713869.

The product of its digits is 28224, while the sum is 35.

The square root of 611427734 is about 24727.0648076152. The cubic root of 611427734 is about 848.7537603214.

The spelling of 611427734 in words is "six hundred eleven million, four hundred twenty-seven thousand, seven hundred thirty-four".