613507642 has 8 divisors (see below), whose sum is σ = 1003921632. Its totient is φ = 278867100.

The previous prime is 613507627. The next prime is 613507691. The reversal of 613507642 is 246705316.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 613507598 and 613507607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13943334 + ... + 13943377.

It is an arithmetic number, because the mean of its divisors is an integer number (125490204).

Almost surely, 2^613507642 is an apocalyptic number.

613507642 is a deficient number, since it is larger than the sum of its proper divisors (390413990).

613507642 is a wasteful number, since it uses less digits than its factorization.

613507642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27886724.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 613507642 is about 24769.0864183562. The cubic root of 613507642 is about 849.7150795917.

The spelling of 613507642 in words is "six hundred thirteen million, five hundred seven thousand, six hundred forty-two".