713421786 has 128 divisors (see below), whose sum is σ = 1857208320. Its totient is φ = 177292800.

The previous prime is 713421763. The next prime is 713421811. The reversal of 713421786 is 687124317.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1560870 + ... + 1561326.

It is an arithmetic number, because the mean of its divisors is an integer number (14509440).

Almost surely, 2^713421786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 713421786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928604160).

713421786 is an abundant number, since it is smaller than the sum of its proper divisors (1143786534).

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

713421786 is a wasteful number, since it uses less digits than its factorization.

713421786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 56448, while the sum is 39.

The square root of 713421786 is about 26709.9566828552. The cubic root of 713421786 is about 893.5429977115.

It can be divided in two parts, 7134 and 21786, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 713421786 in words is "seven hundred thirteen million, four hundred twenty-one thousand, seven hundred eighty-six".