613260780 has 192 divisors, whose sum is σ = 1944746496. Its totient is φ = 143104000.

The previous prime is 613260757. The next prime is 613260793. The reversal of 613260780 is 87062316.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3544774 + ... + 3544946.

It is an arithmetic number, because the mean of its divisors is an integer number (10128888).

Almost surely, 2^613260780 is an apocalyptic number.

613260780 is a gapful number since it is divisible by the number (60) 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 613260780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972373248).

613260780 is an abundant number, since it is smaller than the sum of its proper divisors (1331485716).

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

613260780 is a wasteful number, since it uses less digits than its factorization.

613260780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 613260780 is about 24764.1026487939. The cubic root of 613260780 is about 849.6010954072.

The spelling of 613260780 in words is "six hundred thirteen million, two hundred sixty thousand, seven hundred eighty".