712326051990 has 768 divisors, whose sum is σ = 2423103621120. Its totient is φ = 146800926720.

The previous prime is 712326051947. The next prime is 712326051991. The reversal of 712326051990 is 99150623217.

It is a happy number.

712326051990 is a `hidden beast` number, since 7 + 1 + 2 + 32 + 605 + 1 + 9 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712326051991) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1450765645 + ... + 1450766135.

It is an arithmetic number, because the mean of its divisors is an integer number (3155082840).

Almost surely, 2^712326051990 is an apocalyptic number.

712326051990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 712326051990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211551810560).

712326051990 is an abundant number, since it is smaller than the sum of its proper divisors (1710777569130).

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

712326051990 is a wasteful number, since it uses less digits than its factorization.

712326051990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 712326051990 in words is "seven hundred twelve billion, three hundred twenty-six million, fifty-one thousand, nine hundred ninety".