613540740 has 48 divisors (see below), whose sum is σ = 1726667712. Its totient is φ = 162777216.

The previous prime is 613540729. The next prime is 613540757. The reversal of 613540740 is 47045316.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 613540698 and 613540707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14134 + ... + 37773.

It is an arithmetic number, because the mean of its divisors is an integer number (35972244).

Almost surely, 2^613540740 is an apocalyptic number.

613540740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613540740 is an abundant number, since it is smaller than the sum of its proper divisors (1113126972).

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

613540740 is a wasteful number, since it uses less digits than its factorization.

613540740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52116 (or 52114 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 613540740 is about 24769.7545405682. The cubic root of 613540740 is about 849.7303596861.

The spelling of 613540740 in words is "six hundred thirteen million, five hundred forty thousand, seven hundred forty".