1613347740 has 96 divisors (see below), whose sum is σ = 5069171520. Its totient is φ = 425952000.

The previous prime is 1613347733. The next prime is 1613347783. The reversal of 1613347740 is 477433161.

1613347740 is a `hidden beast` number, since 1 + 613 + 34 + 7 + 7 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1613347695 and 1613347704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39750 + ... + 69330.

It is an arithmetic number, because the mean of its divisors is an integer number (52803870).

Almost surely, 2^1613347740 is an apocalyptic number.

1613347740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613347740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534585760).

1613347740 is an abundant number, since it is smaller than the sum of its proper divisors (3455823780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613347740 is a wasteful number, since it uses less digits than its factorization.

1613347740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29700 (or 29692 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1613347740 is about 40166.5002209553. The cubic root of 1613347740 is about 1172.8505117549.

The spelling of 1613347740 in words is "one billion, six hundred thirteen million, three hundred forty-seven thousand, seven hundred forty".