611404742 has 8 divisors (see below), whose sum is σ = 987653856. Its totient is φ = 282186792.

The previous prime is 611404727. The next prime is 611404747. The reversal of 611404742 is 247404116.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611404747) 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, 11757758 + ... + 11757809.

It is an arithmetic number, because the mean of its divisors is an integer number (123456732).

Almost surely, 2^611404742 is an apocalyptic number.

611404742 is a deficient number, since it is larger than the sum of its proper divisors (376249114).

611404742 is a wasteful number, since it uses less digits than its factorization.

611404742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23515582.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 611404742 is about 24726.5998875705. The cubic root of 611404742 is about 848.7431214020.

Adding to 611404742 its reverse (247404116), we get a palindrome (858808858).

The spelling of 611404742 in words is "six hundred eleven million, four hundred four thousand, seven hundred forty-two".